Não informado. (2000). Informs. Institute for Operations Research and the Management Sciences.
Chicago-Zitierstil (17. Ausg.)Não informado. Informs. Baltimore, Md: Institute for Operations Research and the Management Sciences, 2000.
MLA-Zitierstil (8. Ausg.)Não informado. Informs. Institute for Operations Research and the Management Sciences, 2000.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.