Grinnell, R. M. (1997). Social work research & evaluation: Quantitative and qualitative approaches (Fifth edition.). F.E. Peacock.
Chicago-referens (17:e uppl.)Grinnell, Richard M. Social Work Research & Evaluation: Quantitative and Qualitative Approaches. Fifth edition. Itasca, Illinois: F.E. Peacock, 1997.
MLA-referens (9:e uppl.)Grinnell, Richard M. Social Work Research & Evaluation: Quantitative and Qualitative Approaches. Fifth edition. F.E. Peacock, 1997.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.