Cita APA (7th ed.)

Webb, S. A., & Gray, M. (2013). Social work: Theories and methods (2nd ed.). SAGE.

Cita Chicago (17th ed.)

Webb, Stephen A., i Mel Gray. Social Work: Theories and Methods. 2nd ed. Los Angeles, London: SAGE, 2013.

Cita MLA (9th ed.)

Webb, Stephen A., i Mel Gray. Social Work: Theories and Methods. 2nd ed. SAGE, 2013.