Poindexter, C. C., Valentine, D. P., & Poindexter, C. C. (2007). An introduction to human services: Values, methods, and populations served. Thomson Brooks/Cole.
Dyfyniad Arddull ChicagoPoindexter, Cynthia Cannon, Deborah P. Valentine, and Cynthia Cannon Poindexter. An Introduction to Human Services: Values, Methods, and Populations Served. Belmont, Calif: Thomson Brooks/Cole, 2007.
Dyfyniad MLAPoindexter, Cynthia Cannon, et al. An Introduction to Human Services: Values, Methods, and Populations Served. Thomson Brooks/Cole, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.