APA aipamena

cochran, W. G. (1963). Sampling techniques. Wiley eastern Pvt Ltd.

Chicago Style aipamena

cochran, William G. Sampling Techniques. Newdelhi: Wiley eastern Pvt Ltd, 1963.

MLA aipamena

cochran, William G. Sampling Techniques. Wiley eastern Pvt Ltd, 1963.