Konigsberg, I. The complete film dictionary, 1997 (Promotional film: Any nonfictional film made to promote or publicize a specific business, industry, or cause)

Singleton, R.S. Filmmaker's dictionary, c2000 (Promo 3. Any promotional short film or videotape)

Archival moving image materials : a cataloging manual, 2000: Glossary, p. 24 (Promotional materials: presentations designed to carry a message about a particular moving image work to exhibitors, sponsors, agents, etc.)

Moving image genre-form guide online, Feb. 25, 2008 (Company promotion: work which promotes a company or industry, usually by detailing noteworthy accomplishments, but does not actually promote a product or service. Such work is typically commercial-length, from 10 seconds to 3 minutes; Infomercial: Work promoting a product or service that usually lasts at least 30 min.; Political commercial: Work which promotes certain candidates, political parties, or political views, varying in length from short commercials (a few minutes or less) to longer programs lasting an hour or more; Promotional announcement: Work which promotes a network or promotes a particular television show; Public service announcement: Work which promotes certain charitable causes or types of behavior; Advertising: work which promotes a product, service, candidate, or company. Include promotional work for consumer products and services shown in theaters. UF Promotional)

Yee, M.M. Moving image materials, 1988: p. 26 (Advertising: use for films and programs the primary purpose of which is to sell a product or service. UF: Promotional works) p. 81 (Public relations films: used for nonfiction films and video designed to cause the public and/or customers or clients to take a favorable view towards an institution or business)

LCSH, Feb. 25, 2008 (hdg.: Promotional films)

Reitz, J.M. ODLIS: online dictionary for library and information science, viewed Feb. 24, 2017 (promotional film: A nonfiction motion picture of any length made to publicize or further the interests of a specific business, industry, organization, cause, etc., for example, Walt Disney's last film, a 1966 preview to EPCOT. Abbreviated promo film)

Films that promote or advertise a product, industry, service, organization, etc. For films produced, subsidized, financed, or otherwise significantly supported by a business, government body, organization, etc., see Sponsored films.

Note under: Sponsored films