Παραπομπή APA

Sasieni, M., & Yaspan, A. (1959). Operations research: Methods and problems. John Wiley and Sons.

Παραπομπή Chicago Style

Sasieni, M., και A. Yaspan. Operations Research: Methods and Problems. NewYork: John Wiley and Sons, 1959.

Παραπομπή MLA

Sasieni, M., και A. Yaspan. Operations Research: Methods and Problems. John Wiley and Sons, 1959.