Abbey, J. R. (2014). Hospitality sales and marketing (6. ed.). Educational Institute of the American Hotel & Lodging Association.
Chicago-Zitierstil (17. Ausg.)Abbey, James R. Hospitality Sales and Marketing. 6. ed. Lansing, Mich: Educational Institute of the American Hotel & Lodging Association, 2014.
MLA-Zitierstil (9. Ausg.)Abbey, James R. Hospitality Sales and Marketing. 6. ed. Educational Institute of the American Hotel & Lodging Association, 2014.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.