Cita APA (7th ed.)

Aldrich, J. A. (1999). Study guide [to accompany] Introduction to hospitality by John R. Walker (2nd ed.). Prentice Hall.

Cita Chicago (17th ed.)

Aldrich, Jennifer Adams. Study Guide [to Accompany] Introduction to Hospitality by John R. Walker. 2nd ed. Upper Saddle River, N.J: Prentice Hall, 1999.

Cita MLA (9th ed.)

Aldrich, Jennifer Adams. Study Guide [to Accompany] Introduction to Hospitality by John R. Walker. 2nd ed. Prentice Hall, 1999.