Não informado. (1983). Cable television business. Cardiff Publishing.
Chicagoスタイル(17版)引用形式Não informado. Cable Television Business. Englewood, Colo: Cardiff Publishing, 1983.
MLA(8版)引用形式Não informado. Cable Television Business. Cardiff Publishing, 1983.
警告: この引用は必ずしも正確ではありません.