APA

Hillier F. S., . (2021). An introduction to operation research. New York: McGraw-Hill.

Chicago

Hillier Frederick S, . 2021. An introduction to operation research. New York: McGraw-Hill.

Harvard

Hillier F. S., . (2021). An introduction to operation research. New York: McGraw-Hill.

MLA

Hillier Frederick S, . An introduction to operation research. New York: McGraw-Hill. 2021.