Cochran, w. G. (1990). Sampling Techniques (3rd ed.). Wiley Eastern Ltd.
Čikaški stil citiranjaCochran, william G. Sampling Techniques. 3rd ed. New Delhi: Wiley Eastern Ltd, 1990.
MLA način citiranjaCochran, william G. Sampling Techniques. 3rd ed. Wiley Eastern Ltd, 1990.
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