APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (8. p.)

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