APA

Cochran W. G., . (1963). Sampling techniques. New York: John Wiley & Sons.

Chicago

Cochran William Gemmell, . 1963. Sampling techniques. New York: John Wiley & Sons.

Harvard

Cochran W. G., . (1963). Sampling techniques. New York: John Wiley & Sons.

MLA

Cochran William Gemmell, . Sampling techniques. New York: John Wiley & Sons. 1963.