Middleton, J. (1980). Approaches to communication planning. Unesco.
Chicagoスタイル(17版)引用形式Middleton, John. Approaches to Communication Planning. Paris: Unesco, 1980.
MLA(9版)引用形式Middleton, John. Approaches to Communication Planning. Unesco, 1980.
警告: この引用は必ずしも正確ではありません.