Cita APA

Gray,Mel. (2012). Social work theories and methods (2nd ed.). SAGE Publications.

Chicago Edition Citation

Gray,Mel. Social Work Theories and Methods. 2nd ed. Thousand Oaks, CA: SAGE Publications, 2012.

Cita MLA

Gray,Mel. Social Work Theories and Methods. 2nd ed. SAGE Publications, 2012.