Lua APA (7ú heag.)

Cochran, W. G. (1977). Sampling Techniques (1st edition.). Wiley Eastern.

Lua i Stíl Chicago (17ú heag.)

Cochran, William G. Sampling Techniques. 1st edition. New Delhi: Wiley Eastern, 1977.

Lua MLA (9ú heag.)

Cochran, William G. Sampling Techniques. 1st edition. Wiley Eastern, 1977.

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