Não informado. (1961). Operations Research/Management Science. Executive Sciences Institute.
Chicago-Zitierstil (17. Ausg.)Não informado. Operations Research/Management Science. Davenport, Iowa: Executive Sciences Institute, 1961.
MLA-Zitierstil (8. Ausg.)Não informado. Operations Research/Management Science. Executive Sciences Institute, 1961.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.