Παραπομπή APA
L'Esperance, W. L. (1971). Modern statistics: For business and economics. New York: The Macmillan Company.
Παραπομπή Chicago StyleL'Esperance, Wilford L. Modern Statistics: For Business and Economics. New York: The Macmillan Company, 1971.
Παραπομπή MLAL'Esperance, Wilford L. Modern Statistics: For Business and Economics. New York: The Macmillan Company, 1971.
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