Gay, L. R., & Airasian, P. (2000). Educational research: Competencies for analysis and application (6th ed.). Merril.
Chicago Style (17. basım) AtıfGay, L. R., ve Peter Airasian. Educational Research: Competencies for Analysis and Application. 6th ed. Upper Saddle River, New Jersey: Merril, 2000.
MLA (9th ed.) AtıfGay, L. R., ve Peter Airasian. Educational Research: Competencies for Analysis and Application. 6th ed. Merril, 2000.
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