Cochran,William G. (1972). Sampling Techniques (IInd edition 1972.). Wiley Eastern Private Limited.
Citación estilo ChicagoCochran,William G. Sampling Techniques. IInd edition 1972. India: Wiley Eastern Private Limited, 1972.
Cita MLACochran,William G. Sampling Techniques. IInd edition 1972. Wiley Eastern Private Limited, 1972.
Warning: These citations may not always be 100% accurate.