Citace podle APA (7th ed.)
Johnson, R. B., & Christensen, L. (2020). Educational research: Quantitative, qualitative, and mixed approaches (7th ed.). SAGE.
Citace podle Chicago (17th ed.)
Johnson, R Burke, a Larry Christensen. Educational Research: Quantitative, Qualitative, and Mixed Approaches. 7th ed. Los Angeles: SAGE, 2020.
Citace podle MLA (9th ed.)
Johnson, R Burke, a Larry Christensen. Educational Research: Quantitative, Qualitative, and Mixed Approaches. 7th ed. SAGE, 2020.
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