Hansen, M. H., & Hurwitz, W. N. (1953). Sample survey methods and theory: Volume 1 methods and applications. John Wiley & Sons.
Παραπομπή Chicago StyleHansen, Morris H., και William N. Hurwitz. Sample Survey Methods and Theory: Volume 1 Methods and Applications. New york: John Wiley & Sons, 1953.
Παραπομπή MLAHansen, Morris H., και William N. Hurwitz. Sample Survey Methods and Theory: Volume 1 Methods and Applications. John Wiley & Sons, 1953.
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