Παραπομπή σε μορφή APA (7η εκδ.)

Hall, C. M., & Boyd, S. W. (2005). Nature-based tourism in peripheral areas: Development or disaster? Channel View Publications.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hall, Colin Michael, και Stephen W. Boyd. Nature-based Tourism in Peripheral Areas: Development or Disaster? Clevedon; Buffalo: Channel View Publications, 2005.

Παραπομπή σε μορφή MLA (9th εκδ.)

Hall, Colin Michael, και Stephen W. Boyd. Nature-based Tourism in Peripheral Areas: Development or Disaster? Channel View Publications, 2005.