APA

Hillier (Fredricks) ;Lieberman (Gerald), . (1987). Operation Research. : .

Chicago

Hillier (Fredricks) ;Lieberman (Gerald), . 1987. Operation Research. : .

Harvard

Hillier (Fredricks) ;Lieberman (Gerald), . (1987). Operation Research. : .

MLA

Hillier (Fredricks) ;Lieberman (Gerald), . Operation Research. : . 1987.