Johnson, B., & Christensen, L. (2011). Educational research: Quantitative, qualitative, and mixed approaches (4th ed.). Sage.
Chicago Edition CitationJohnson, Burke, and Larry Christensen. Educational Research: Quantitative, Qualitative, and Mixed Approaches. 4th ed. Los Angeles: Sage, 2011.
MLA Edition CitationJohnson, Burke, and Larry Christensen. Educational Research: Quantitative, Qualitative, and Mixed Approaches. 4th ed. Sage, 2011.
Warning: These citations may not always be 100% accurate.