Hansen, M. H. a. (1953). Sample survey methods and theory vol II theory. John wiley.
Chicago Style aipamenaHansen, Morris H...[et al.]. Sample Survey Methods and Theory Vol II Theory. New York: John wiley, 1953.
MLA aipamenaHansen, Morris H...[et al.]. Sample Survey Methods and Theory Vol II Theory. John wiley, 1953.
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