Citação norma APA
National Association of Broadcasters. (1967). Standard definitions of broadcast research terms. National Association of Broadcasters.
Citação norma Chicago
National Association of Broadcasters. Standard Definitions of Broadcast Research Terms. Washington, D.C.: National Association of Broadcasters, 1967.
Citação norma MLA
National Association of Broadcasters. Standard Definitions of Broadcast Research Terms. National Association of Broadcasters, 1967.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.