McBurney, D. (2001). Research methods (5th ed.). Wadsworth Thomson Learning.
Chicago Stili AlıntıMcBurney, Donald. Research Methods. 5th ed. Belmont, CA: Wadsworth Thomson Learning, 2001.
MLA AlıntıMcBurney, Donald. Research Methods. 5th ed. Wadsworth Thomson Learning, 2001.
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