Poindexter, C. C., Valentine, D. P., & Conway, P. G. (1999). Essential skills for human services. Brooks/Cole.
Čikaški stil citiranja (17. izdanje)Poindexter, Cynthia Cannon, Deborah P. Valentine, i Patricia Gail Conway. Essential Skills for Human Services. Belmont, Calif: Brooks/Cole, 1999.
MLA način citiranja (9. izdanje)Poindexter, Cynthia Cannon, et al. Essential Skills for Human Services. Brooks/Cole, 1999.
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