Churchman, C. .. e. a. (1957). Introduction To Operation Research C. West Churchman; Russel L. Alkoff And E. Leonard Arnoff. John Wiley & Sons.
Chicago-referens (17:e uppl.)Churchman, C.West ... et. all. Introduction To Operation Research C. West Churchman; Russel L. Alkoff And E. Leonard Arnoff. John Wiley & Sons, 1957.
MLA-referens (8:e uppl.)Churchman, C.West ... et. all. Introduction To Operation Research C. West Churchman; Russel L. Alkoff And E. Leonard Arnoff. John Wiley & Sons, 1957.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.