Dyfyniad APA

Fraenkel, J. R., & Wallen, N. E. (2019). How to design and evaluate research in education. McGraw-Hill.

Dyfyniad Arddull Chicago

Fraenkel, Jack R., and Norman E. Wallen. How to Design and Evaluate Research in Education. Boston: McGraw-Hill, 2019.

Dyfyniad MLA

Fraenkel, Jack R., and Norman E. Wallen. How to Design and Evaluate Research in Education. McGraw-Hill, 2019.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.