Kenney, J. F., & Keeping, E. S. (1963). Mathematics of statistics, Part2 (23.).
Chicago Style aipamenaKenney, J F., and E S. Keeping. Mathematics of Statistics, Part2. 23. D Van Nostrand Co., London, 1963.
MLA aipamenaKenney, J F., and E S. Keeping. Mathematics of Statistics, Part2. 23. 1963.
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