Bartz, A. E. (1988). Basic statistical concepts (3rd ed.). New York: Macmillan.
Trích dẫn kiểu ChicagoBartz, Albert E. Basic Statistical Concepts. 3rd ed. New York: Macmillan, 1988.
Deismireacht MLABartz, Albert E. Basic Statistical Concepts. 3rd ed. New York: Macmillan, 1988.
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