Lua APA (7ú heag.)

Mills, G. E., & Gay, L. R. (2019). Educational research: Competencies for analysis and applications (Twelfth edition.). Pearson.

Lua i Stíl Chicago (17ú heag.)

Mills, Geoffrey E., agus L. R. Gay. Educational Research: Competencies for Analysis and Applications. Twelfth edition. NY, NY: Pearson, 2019.

Lua MLA (8ú heag.)

Mills, Geoffrey E., agus L. R. Gay. Educational Research: Competencies for Analysis and Applications. Twelfth edition. Pearson, 2019.

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