APA (7e ed.) Bronvermelding

National Association of Broadcasters (U.S.). (1933). Broadcasting in the United States. National Association of Broadcasters.

Chicago (17e ed.) Bronvermelding

National Association of Broadcasters (U.S.). Broadcasting in the United States. Washington, D.C.: National Association of Broadcasters, 1933.

MLA (8e ed.) Bronvermelding

National Association of Broadcasters (U.S.). Broadcasting in the United States. National Association of Broadcasters, 1933.

Let op: Deze citaties zijn niet altijd 100% accuraat.