Cita APA (7a ed.)

Walker, J. R. (2013). Introduction to Hospitality (6th ed.). Pearson Education Limited.

Cita Chicago Style (17a ed.)

Walker, John R. Introduction to Hospitality. 6th ed. Harlow: Pearson Education Limited, 2013.

Cita MLA (9a ed.)

Walker, John R. Introduction to Hospitality. 6th ed. Pearson Education Limited, 2013.