Sheafor, B. W., Horejsi, C. R., & Horejsi, G. A. (1996). Techniques and guidelines for social work practice (4th .ed.). Allyn and Bacon.
Dyfyniad Arddull ChicagoSheafor, Bradford W., Charles R. Horejsi, and Gloria A. Horejsi. Techniques and Guidelines for Social Work Practice. 4th .ed. Boston: Allyn and Bacon, 1996.
Dyfyniad MLASheafor, Bradford W., et al. Techniques and Guidelines for Social Work Practice. 4th .ed. Allyn and Bacon, 1996.
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