APA aipamena

Cochran, W. G. (2009). Sampling Techniques (3rd edn.). Wiley Eastern.

Chicago Style aipamena

Cochran, William G. Sampling Techniques. 3rd edn. New Dehli: Wiley Eastern, 2009.

MLA aipamena

Cochran, William G. Sampling Techniques. 3rd edn. Wiley Eastern, 2009.