Gaya APA

Hiier, F, S., Lieberman, G, J. (2001). Introduction To Operation Reserch (Ed. 7). Boston: Mc Graw Hill.

Gaya MLA

Hiier, Frederick, S.., Lieberman, Gerald, J.. "Introduction To Operation Reserch". Ed. 7 Boston: Mc Graw Hill, 2001. Text.