Παραπομπή APA

Cochran, W. G. (1999). Sampling techniques (3rd ed.). Wiley India (P) Ltd..

Παραπομπή Chicago Style

Cochran, William G. Sampling Techniques. 3rd ed. New Delhi: Wiley India (P) Ltd., 1999.

Παραπομπή MLA

Cochran, William G. Sampling Techniques. 3rd ed. Wiley India (P) Ltd., 1999.