Dyfyniad APA

Fraenkel, J. R. (2011). How to design and evaluate research in education. New York: McGraw Hill.

Dyfyniad Arddull Chicago

Fraenkel, Jack R. How to Design and Evaluate Research in Education. New York: McGraw Hill, 2011.

Dyfyniad MLA

Fraenkel, Jack R. How to Design and Evaluate Research in Education. New York: McGraw Hill, 2011.

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