APA-referens

Hall, . C. M., & Boyd, S. (2006). Nature- based tourism in peripheral areas: Development or disaster? Viva Books.

Chicago-stil citat

Hall, C. Michael, och Stephen Boyd. Nature- Based Tourism in Peripheral Areas: Development or Disaster? New Delhi: Viva Books, 2006.

MLA-referens

Hall, C. Michael, och Stephen Boyd. Nature- Based Tourism in Peripheral Areas: Development or Disaster? Viva Books, 2006.