Johnson, B., & Christensen, L. B. (2004). Educational research: Quantitative, qualitative, and mixed approaches (2nd ed.). Allyn and Bacon.
Chicago Style (17. basım) AtıfJohnson, Burke, ve Larry B. Christensen. Educational Research: Quantitative, Qualitative, and Mixed Approaches. 2nd ed. Boston: Allyn and Bacon, 2004.
MLA (9th ed.) AtıfJohnson, Burke, ve Larry B. Christensen. Educational Research: Quantitative, Qualitative, and Mixed Approaches. 2nd ed. Allyn and Bacon, 2004.
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