Não informado. (1976). Communication Education. Spreech Communication Association.
Chicagoスタイル(17版)引用形式Não informado. Communication Education. Annandale, Va: Spreech Communication Association, 1976.
MLA(8版)引用形式Não informado. Communication Education. Spreech Communication Association, 1976.
警告: この引用は必ずしも正確ではありません.