APA aipamena

Cochran,William G. (1972). Sampling Techniques (IInd edition 1972.). Wiley Eastern Private Limited.

Chicago Style aipamena

Cochran,William G. Sampling Techniques. IInd edition 1972. India: Wiley Eastern Private Limited, 1972.

MLA aipamena

Cochran,William G. Sampling Techniques. IInd edition 1972. Wiley Eastern Private Limited, 1972.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.