Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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

Atenció: Aquestes cites poden no estar 100% correctes.