APA (7e ed.) Bronvermelding

CHRISTENSEN, L. B. (1988). Experimental methodology.--Ed. 4. Allyn and Bacon.

Chicago (17e ed.) Bronvermelding

CHRISTENSEN, Larry B. Experimental Methodology.--Ed. 4. Boston: Allyn and Bacon, 1988.

MLA (9e ed.) Bronvermelding

CHRISTENSEN, Larry B. Experimental Methodology.--Ed. 4. Allyn and Bacon, 1988.