Παραπομπή APA

Cochran, W. G. (1963). Sampling techniques (2nd ed.). Wiley Eastern.

Παραπομπή Chicago Style

Cochran, William G. Sampling Techniques. 2nd ed. New Delhi: Wiley Eastern, 1963.

Παραπομπή MLA

Cochran, William G. Sampling Techniques. 2nd ed. Wiley Eastern, 1963.