APA-referens (7:e uppl.)

Cochran, W. C. (1963). Sampling techniques (2d ed.). Wiley.

Chicago-referens (17:e uppl.)

Cochran, William Campbell. Sampling Techniques. 2d ed. New York: Wiley, 1963.

MLA-referens (9:e uppl.)

Cochran, William Campbell. Sampling Techniques. 2d ed. Wiley, 1963.