APA aipamena

Cochran, W. G. (1977). Sampling techniques (3d ed.). Wiley.

Chicago Style aipamena

Cochran, William Gemmell. Sampling Techniques. 3d ed. New York: Wiley, 1977.

MLA aipamena

Cochran, William Gemmell. Sampling Techniques. 3d ed. Wiley, 1977.