Mills, G. E., & Gay, L. R. (2019). Educational research: Competencies for analysis and applications (Twelfth edition.). Pearson.
Dyfyniad Arddull ChicagoMills, Geoffrey E., and L. R. Gay. Educational Research: Competencies for Analysis and Applications. Twelfth edition. NY, NY: Pearson, 2019.
Dyfyniad MLAMills, Geoffrey E., and L. R. Gay. Educational Research: Competencies for Analysis and Applications. Twelfth edition. Pearson, 2019.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.