Doyle, R. E. (1998). Essential skills and strategies in the helping process: Robert E. Doyle. Pacific Grove, Calif: Brooks/Cole.
シカゴスタイル引用形Doyle, Robert E. Essential Skills and Strategies in the Helping Process: Robert E. Doyle. Pacific Grove, Calif: Brooks/Cole, 1998.
MLA引用形式Doyle, Robert E. Essential Skills and Strategies in the Helping Process: Robert E. Doyle. Pacific Grove, Calif: Brooks/Cole, 1998.
警告: この引用は必ずしも正確ではありません.