Todd, G., & Rice, S. (2005). A guide to becoming a travel professional. Thomson Delmar Learning.
Cita Chicago (17th ed.)Todd, Ginger, i Susan Rice. A Guide to Becoming a Travel Professional. Australia: Thomson Delmar Learning, 2005.
Cita MLA (9th ed.)Todd, Ginger, i Susan Rice. A Guide to Becoming a Travel Professional. Thomson Delmar Learning, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.