J., L., G., S., H., F.(1195).Introduction to operations research / Frederick S. Hillier, Gerald J. Lieberman (Ed.ke-6).New York:McGraw-Hill.
Gaya MLA
Lieberman, Gerald, J.., Hillier, Frederick, S.."Introduction to operations research / Frederick S. Hillier, Gerald J. Lieberman".Ed.ke-6New York:McGraw-Hill,1195.Textbook.