APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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