Semer-Purzycki, J. (2000). Travel vision: A practical guide for the travel, tourism, and hospitality industry. Prentice Hall.
Citazione stile Chigago Style (17a edizione)Semer-Purzycki, Jeanne. Travel Vision: A Practical Guide for the Travel, Tourism, and Hospitality Industry. Upper Saddle River, N.J: Prentice Hall, 2000.
Citatione MLA (9a ed.)Semer-Purzycki, Jeanne. Travel Vision: A Practical Guide for the Travel, Tourism, and Hospitality Industry. Prentice Hall, 2000.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.