Παραπομπή APA
Levin, R. I., & Kirkpatrick, C. A. (1978). Quantitative approaches to management (4th ed.). New York: McGraw-Hill.
Παραπομπή Chicago StyleLevin, Richard I., and Charles Atkinson Kirkpatrick. Quantitative Approaches to Management. 4th ed. New York: McGraw-Hill, 1978.
Παραπομπή MLALevin, Richard I., and Charles Atkinson Kirkpatrick. Quantitative Approaches to Management. 4th ed. New York: McGraw-Hill, 1978.
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