Stefanelli, J. M. (1985). Purchasing: Selection and procurement for the hospitality industry (2nd ed.). Wiley.
Chicago-Zitierstil (17. Ausg.)Stefanelli, John M. Purchasing: Selection and Procurement for the Hospitality Industry. 2nd ed. New York: Wiley, 1985.
MLA-Zitierstil (8. Ausg.)Stefanelli, John M. Purchasing: Selection and Procurement for the Hospitality Industry. 2nd ed. Wiley, 1985.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.