APA (7e ed.) Bronvermelding

Crano, W. D., & Brewer, M. B. (1986). Principles and methods of social research. Allyn and Bacon.

Chicago (17e ed.) Bronvermelding

Crano, William D., en Marilynn B. Brewer. Principles and Methods of Social Research. Boston: Allyn and Bacon, 1986.

MLA (9e ed.) Bronvermelding

Crano, William D., en Marilynn B. Brewer. Principles and Methods of Social Research. Allyn and Bacon, 1986.