Hansen, M. H., Hurwitz, W. N., Madow, W. G., & Madow, W. G. (1953). Sample survey methods and theory. New York: John Wiley.
Παραπομπή Chicago StyleHansen, Morris Howard, William N. Hurwitz, William Greogry Madow, and William G. Madow. Sample Survey Methods and Theory. New York: John Wiley, 1953.
Παραπομπή MLAHansen, Morris Howard, William N. Hurwitz, William Greogry Madow, and William G. Madow. Sample Survey Methods and Theory. New York: John Wiley, 1953.
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