Dyfyniad APA

Kirk, R. E. (1969). Experimental Designl: Procedures for the Behavioral Sceinces. Wadsworth Pub. Co.

Dyfyniad Arddull Chicago

Kirk, Roger E. Experimental Designl: Procedures for the Behavioral Sceinces. California: Wadsworth Pub. Co, 1969.

Dyfyniad MLA

Kirk, Roger E. Experimental Designl: Procedures for the Behavioral Sceinces. Wadsworth Pub. Co, 1969.

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