Παραπομπή APA
Smith, J. G., & Duncan, A. J. (1945). Sampling statistics and applications: Fundamentals of the theory of statistics. New York: McGraw-Hill.
Παραπομπή Chicago StyleSmith, James G., and Acheson Johnston Duncan. Sampling Statistics and Applications: Fundamentals of the Theory of Statistics. New York: McGraw-Hill, 1945.
Παραπομπή MLASmith, James G., and Acheson Johnston Duncan. Sampling Statistics and Applications: Fundamentals of the Theory of Statistics. New York: McGraw-Hill, 1945.
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