Não informado. (1978). Communication Abstracts. Sage Publications.
Chicagoスタイル(17版)引用形式Não informado. Communication Abstracts. Beverly Hills, Calif: Sage Publications, 1978.
MLA(8版)引用形式Não informado. Communication Abstracts. Sage Publications, 1978.
警告: この引用は必ずしも正確ではありません.