Dyfyniad APA

McBurney, D. H. (2010). Research methods. Belmont, CA: Cengage Learning.

Dyfyniad Arddull Chicago

McBurney, Donald H. Research Methods. Belmont, CA: Cengage Learning, 2010.

Dyfyniad MLA

McBurney, Donald H. Research Methods. Belmont, CA: Cengage Learning, 2010.

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