Παραπομπή APA

Hiller, F. S., & Lieberman, G. J. (1999). Operations research. CBS Publishers and Distributors.

Παραπομπή Chicago Style

Hiller, Frederick S., και Gerald J. Lieberman. Operations Research. Delhi: CBS Publishers and Distributors, 1999.

Παραπομπή MLA

Hiller, Frederick S., και Gerald J. Lieberman. Operations Research. CBS Publishers and Distributors, 1999.