Poltrack, D. (1983). Television marketing: Network, local, and cable. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Poltrack, David. Television Marketing: Network, Local, and Cable. New York: McGraw-Hill, 1983.
Lua MLA (9ú heag.)Poltrack, David. Television Marketing: Network, Local, and Cable. McGraw-Hill, 1983.
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