Sheafor, B. W., Horejsi, C. R., & Horejsi, G. A. (1996). Techniques and guidelines for social work practice (4th .ed.). Allyn and Bacon.
Cita Chicago (17th ed.)Sheafor, Bradford W., Charles R. Horejsi, i Gloria A. Horejsi. Techniques and Guidelines for Social Work Practice. 4th .ed. Boston: Allyn and Bacon, 1996.
Cita MLA (9th ed.)Sheafor, Bradford W., et al. Techniques and Guidelines for Social Work Practice. 4th .ed. Allyn and Bacon, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.