Weinbach, R. W., & Grinnell, R. M. (2007). Statistics for social workers (7th edition.). Pearson.
Chicago Style (17. basım) AtıfWeinbach, Robert W., ve Richard M. Grinnell. Statistics for Social Workers. 7th edition. Boston: Pearson, 2007.
MLA (9th ed.) AtıfWeinbach, Robert W., ve Richard M. Grinnell. Statistics for Social Workers. 7th edition. Pearson, 2007.
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