Aldrich, J. A. (1999). Study guide [to accompany] Introduction to hospitality by John R. Walker (2nd ed.). Prentice Hall.
Chicago-Zitierstil (17. Ausg.)Aldrich, Jennifer Adams. Study Guide [to Accompany] Introduction to Hospitality by John R. Walker. 2nd ed. Upper Saddle River, N.J: Prentice Hall, 1999.
MLA-Zitierstil (9. Ausg.)Aldrich, Jennifer Adams. Study Guide [to Accompany] Introduction to Hospitality by John R. Walker. 2nd ed. Prentice Hall, 1999.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.