Gay, L. R., Mills, G. E., & Airasian, P. W. (2006). Educational research: Competencies for analysis and application (8th ed.). Pearson/Merrill Prentice Hall.
Citace podle Chicago (17th ed.)Gay, L. R., Geoffrey E. Mills, a Peter W. Airasian. Educational Research: Competencies for Analysis and Application. 8th ed. Upper Saddle River, N.J: Pearson/Merrill Prentice Hall, 2006.
Citace podle MLA (9th ed.)Gay, L. R., et al. Educational Research: Competencies for Analysis and Application. 8th ed. Pearson/Merrill Prentice Hall, 2006.
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