APA (7e ed.) Bronvermelding

Cochran, W. G. (1963). Sampling techniques (2a. ed.). John Wiley & Sons.

Chicago (17e ed.) Bronvermelding

Cochran, William Gemmell. Sampling Techniques. 2a. ed. Nueva York: John Wiley & Sons, 1963.

MLA (9e ed.) Bronvermelding

Cochran, William Gemmell. Sampling Techniques. 2a. ed. John Wiley & Sons, 1963.