Neukrug, E. (2008). Theory, practice, and trends in human services: An introduction (4th ed.). Pacific Grove, CA: Thomson Brooks/Cole.
Dyfyniad Arddull ChicagoNeukrug, Ed. Theory, Practice, and Trends in Human Services: An Introduction. 4th ed. Pacific Grove, CA: Thomson Brooks/Cole, 2008.
Dyfyniad MLANeukrug, Ed. Theory, Practice, and Trends in Human Services: An Introduction. 4th ed. Pacific Grove, CA: Thomson Brooks/Cole, 2008.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.