Kastarlak, B. I., & Barber, B. K. Fundamentals of planning and developing tourism.
Cita Chicago (17th ed.)Kastarlak, Bulent I., i Brian. K. Barber. Fundamentals of Planning and Developing Tourism.
Cita MLA (8th ed.)Kastarlak, Bulent I., i Brian. K. Barber. Fundamentals of Planning and Developing Tourism.
Atenció: Aquestes cites poden no estar 100% correctes.