APA(7版)引用形式
Egan, G. The Skilled Helper: A Problem-Management and Opportunity-Development Approach to Helping (8a edición.). Brooks Cole.
Chicagoスタイル(17版)引用形式
Egan, Gerard. The Skilled Helper: A Problem-Management and Opportunity-Development Approach to Helping. 8a edición. Belmont, EUA: Brooks Cole.
MLA(9版)引用形式
Egan, Gerard. The Skilled Helper: A Problem-Management and Opportunity-Development Approach to Helping. 8a edición. Brooks Cole.
警告: この引用は必ずしも正確ではありません.