Rubin, A., & Babbie, E. R. (1997). Research methods for social work. Pacific Grove: Brooks/Cole Pub. Co.
Trích dẫn kiểu ChicagoRubin, Allen, và Earl R. Babbie. Research Methods for Social Work. Pacific Grove: Brooks/Cole Pub. Co, 1997.
MLA CitationRubin, Allen, và Earl R. Babbie. Research Methods for Social Work. Pacific Grove: Brooks/Cole Pub. Co, 1997.
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