Guilford, J. P., & Michael, W. B. (1956). Elementary statistical exercises (3rd ed.). McGraw-Hill.
Chicago Style (17th ed.) CitationGuilford, Joy Paul, and William B. Michael. Elementary Statistical Exercises. 3rd ed. New York: McGraw-Hill, 1956.
ציטוט MLAGuilford, Joy Paul, and William B. Michael. Elementary Statistical Exercises. 3rd ed. McGraw-Hill, 1956.
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