Cochran, W. G. (2009). Sampling Techniques (3rd edn.). Wiley Eastern.
Citación estilo ChicagoCochran, William G. Sampling Techniques. 3rd edn. New Dehli: Wiley Eastern, 2009.
Cita MLACochran, William G. Sampling Techniques. 3rd edn. Wiley Eastern, 2009.
Warning: These citations may not always be 100% accurate.