Cita APA

Lindberg, K., & Hawkins, D. E. (1993). Ecotourism: A guide for planners and managers (1. edition.). North Bennington, Vt.: The Ecotourism Society.

Citación estilo Chicago

Lindberg, Kreg, y Donald E. Hawkins. Ecotourism: A Guide for Planners and Managers. 1. edition. North Bennington, Vt.: The Ecotourism Society, 1993.

Cita MLA

Lindberg, Kreg, y Donald E. Hawkins. Ecotourism: A Guide for Planners and Managers. 1. edition. North Bennington, Vt.: The Ecotourism Society, 1993.