APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (8:e uppl.)

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