Lua APA (7ú heag.)

Cochran, W. C. (1963). Sampling techniques (2d ed.). Wiley.

Lua i Stíl Chicago (17ú heag.)

Cochran, William Campbell. Sampling Techniques. 2d ed. New York: Wiley, 1963.

Lua MLA (9ú heag.)

Cochran, William Campbell. Sampling Techniques. 2d ed. Wiley, 1963.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.