Gay, L. R., Mills, G. E., & Airasian, P. W. (2011). Educational research: Competencies for analysis and applications (10 ed., internat. ed.). Pearson Education.
Chicago-Zitierstil (17. Ausg.)Gay, L. R., Geoffrey E. Mills, und Peter W. Airasian. Educational Research: Competencies for Analysis and Applications. 10 ed., internat. ed. Boston ; Munich [u.a.]: Pearson Education, 2011.
MLA-Zitierstil (9. Ausg.)Gay, L. R., et al. Educational Research: Competencies for Analysis and Applications. 10 ed., internat. ed. Pearson Education, 2011.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.