Dyfyniad APA

Graziano, A. M., & Raulin, M. L. (1989). Research methods: A process of inquiry. Harper & Row.

Dyfyniad Arddull Chicago

Graziano, Anthony M., and Michael L. Raulin. Research Methods: A Process of Inquiry. New York: Harper & Row, 1989.

Dyfyniad MLA

Graziano, Anthony M., and Michael L. Raulin. Research Methods: A Process of Inquiry. Harper & Row, 1989.

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