APA ציטוט

Friedman, L., Sasieri, M., & Yaspan, A. (1959). Operation research: Methods and problems. Toppan company Ltd.

Chicago Edition Citation

Friedman, Lawrence, Maurice Sasieri, and Arthur Yaspan. Operation Research: Methods and Problems. New York: Toppan company Ltd, 1959.

ציטוט MLA

Friedman, Lawrence, et al. Operation Research: Methods and Problems. Toppan company Ltd, 1959.