Ullrich de Muynck, R. (1976). Das Assertiveness-Training-Programm ATP. Pfeiffer.
Chicagoスタイル(17版)引用形式Ullrich de Muynck, Rita. Das Assertiveness-Training-Programm ATP. München: Pfeiffer, 1976.
MLA(8版)引用形式Ullrich de Muynck, Rita. Das Assertiveness-Training-Programm ATP. Pfeiffer, 1976.
警告: この引用は必ずしも正確ではありません.