Gravetter, F. J., & Forzano, L. B. (2006). Research methods for the behavioral sciences (2nd ed.). Thomson/Wadsworth.
Chicago Stili AlıntıGravetter, Frederick J., ve Lori-Ann B. Forzano. Research Methods for the Behavioral Sciences. 2nd ed. Australia ; Belmont, CA: Thomson/Wadsworth, 2006.
MLA AlıntıGravetter, Frederick J., ve Lori-Ann B. Forzano. Research Methods for the Behavioral Sciences. 2nd ed. Thomson/Wadsworth, 2006.
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