Παραπομπή APA

Levin, R. e. a. (1992). Quantitative approaches to management (8th ed.). Mc Graw Hill.

Παραπομπή Chicago Style

Levin, Richard et al. Quantitative Approaches to Management. 8th ed. New York: Mc Graw Hill, 1992.

Παραπομπή MLA

Levin, Richard et al. Quantitative Approaches to Management. 8th ed. Mc Graw Hill, 1992.