Middleton, V. T. C., & Hawkins, R. (1998). Sustainable Tourism: A Marketing Perspective (1ed. st.). Butterworth-Heinemann.
Citación estilo ChicagoMiddleton, Victor T. C., and Rebecca Hawkins. Sustainable Tourism: A Marketing Perspective. 1ed. st. Oxford: Butterworth-Heinemann, 1998.
Cita MLAMiddleton, Victor T. C., and Rebecca Hawkins. Sustainable Tourism: A Marketing Perspective. 1ed. st. Butterworth-Heinemann, 1998.