APA استشهاد

Bruce A Thyer. (2001). The handbook of social work research methods. Sage.

استشهاد بنمط شيكاغو

Bruce A Thyer. The Handbook of Social Work Research Methods. California: Sage, 2001.

MLA استشهاد

Bruce A Thyer. The Handbook of Social Work Research Methods. Sage, 2001.