APA引文

Doyle, R. E. (1992). Essential skills and strategies in the helping process. Brooks/Cole.

Chicago Style (17th ed.) Citation

Doyle, Robert E. Essential Skills and Strategies in the Helping Process. Pacific Grover, Calif: Brooks/Cole, 1992.

MLA引文

Doyle, Robert E. Essential Skills and Strategies in the Helping Process. Brooks/Cole, 1992.