Operations Research Society of America. (1981). Operations Research Letters. North Holland Publishing.
Chicago-referens (17:e uppl.)Operations Research Society of America. Operations Research Letters. Amsterdam: North Holland Publishing, 1981.
MLA-referens (8:e uppl.)Operations Research Society of America. Operations Research Letters. North Holland Publishing, 1981.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.