Cita APA (7th ed.)

COCHRAN, W. G. (1977). Sampling techniques 3rd ed: William G. Cochran (3rd ed.). Wiley.

Cita Chicago (17th ed.)

COCHRAN, William G. Sampling Techniques 3rd Ed: William G. Cochran. 3rd ed. New York: Wiley, 1977.

Cita MLA (9th ed.)

COCHRAN, William G. Sampling Techniques 3rd Ed: William G. Cochran. 3rd ed. Wiley, 1977.