Heiman, G. W. (1999). Research methods in psychology (2nd ed.). Houghton Mifflin.
Chicago Style (17th ed.) CitationHeiman, Gary W. Research Methods in Psychology. 2nd ed. Boston: Houghton Mifflin, 1999.
MLA (9th ed.) CitationHeiman, Gary W. Research Methods in Psychology. 2nd ed. Houghton Mifflin, 1999.
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