Não informado. (1972). Educational and industrial television. Tepfer Publishing.
Chicagoスタイル(17版)引用形式Não informado. Educational and Industrial Television. Danbury, Conn: Tepfer Publishing, 1972.
MLA(8版)引用形式Não informado. Educational and Industrial Television. Tepfer Publishing, 1972.
警告: この引用は必ずしも正確ではありません.