Dyfyniad APA
Sheafor, B. W., & Horejsi, C. R. (2005). Techniques and guidelines for social work practice (7th .ed.). Allyn and Bacon.
Dyfyniad Arddull Chicago
Sheafor, Bradford W., and Charles R. Horejsi. Techniques and Guidelines for Social Work Practice. 7th .ed. Boston: Allyn and Bacon, 2005.
Dyfyniad MLA
Sheafor, Bradford W., and Charles R. Horejsi. Techniques and Guidelines for Social Work Practice. 7th .ed. Allyn and Bacon, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.