APA (7th ed.) Zitazioa

Fraenkel, J. R., & Wallen, N. E. (2009). How to design and evaluate research in education (7th ed.). McGraw-Hill.

Chicago Style (17th ed.) Zitazioa

Fraenkel, Jack R., eta Norman E. Wallen. How to Design and Evaluate Research in Education. 7th ed. Boston: McGraw-Hill, 2009.

MLA (9th ed.) Zitazioa

Fraenkel, Jack R., eta Norman E. Wallen. How to Design and Evaluate Research in Education. 7th ed. McGraw-Hill, 2009.