APA-čujuhus (7. p.)
National Association of Broadcasters. (1967). Standard definitions of broadcast research terms. National Association of Broadcasters.
Chicago-čujuhus (17. p.)
National Association of Broadcasters. Standard Definitions of Broadcast Research Terms. Washington, D.C.: National Association of Broadcasters, 1967.
MLA-čujuhus (9. p.)
National Association of Broadcasters. Standard Definitions of Broadcast Research Terms. National Association of Broadcasters, 1967.
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