Gaya APA

Buffa, E, S., Dyer, J, S. (1978). Essentials Of Management Science/ Operation Research (I). Canada: John Wiley & Sons.

Gaya MLA

Buffa, Elwood, S.., Dyer, James, S.. "Essentials Of Management Science/ Operation Research". I Canada: John Wiley & Sons, 1978. Text.