Leah Brew & Jeffrey A Kottler. (2008). Applied helping skills. Sage.
シカゴスタイル引用形Leah Brew , Jeffrey A Kottler. Applied Helping Skills. New Delhi: Sage, 2008.
MLA引用形式Leah Brew , Jeffrey A Kottler. Applied Helping Skills. Sage, 2008.
警告: この引用は必ずしも正確ではありません.