Gaya APA

Hiller, F, S., Lieberman, G, J. (1986). Introduction to operations research (Ed. 4). Oakland, California: Holden-Day, Inc.

Gaya MLA

Hiller, Frederick, S.., Lieberman, Gerald, J.. "Introduction to operations research". Ed. 4 Oakland, California: Holden-Day, Inc, 1986. Text.