Whipkey, K. L., Whipkey, M. N., & Conway, G. W. (1981). The power of mathematics: Applications to management and the social sciences (2nd ed.). Wiley.
Παραπομπή σε μορφή Chicago (17η εκδ.)Whipkey, Kenneth L., Mary Nell Whipkey, και George W. Conway. The Power of Mathematics: Applications to Management and the Social Sciences. 2nd ed. New York: Wiley, 1981.
Παραπομπή σε μορφή MLA (9th εκδ.)Whipkey, Kenneth L., et al. The Power of Mathematics: Applications to Management and the Social Sciences. 2nd ed. Wiley, 1981.
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