Tohutoro APA (7th ed.)

Craig James R. (1986). Methods of Psychological research (2nd ed.). Cole Publ. Co..

Tohutoru Kātū Chicago (17th ed.)

Craig James R. Methods of Psychological Research. 2nd ed. California: Cole Publ. Co., 1986.

Tohutoro MLA (9th ed.)

Craig James R. Methods of Psychological Research. 2nd ed. Cole Publ. Co., 1986.