Citace podle APA

Johnson, B., & Christensen, L. (2011). Educational research: Quantitative, qualitative, and mixed approaches (4th ed.). Sage.

Styl Chicago

Johnson, Burke, a Larry Christensen. Educational Research: Quantitative, Qualitative, and Mixed Approaches. 4th ed. Los Angeles: Sage, 2011.

Citace podle MLA

Johnson, Burke, a Larry Christensen. Educational Research: Quantitative, Qualitative, and Mixed Approaches. 4th ed. Sage, 2011.

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