Dyfyniad APA

Christensen, L. B. (2001). Experimental methodology (Eight edition.). Allyn and Bacon.

Dyfyniad Arddull Chicago

Christensen, Larry B. Experimental Methodology. Eight edition. Boston: Allyn and Bacon, 2001.

Dyfyniad MLA

Christensen, Larry B. Experimental Methodology. Eight edition. Allyn and Bacon, 2001.

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