APA-viite

Wearing, S., & Lyons, K. D. (2008). Journeys of discovery in volunteer tourism: International case study perspectives. CAB International.

Chicago-tyylinen lähdeviittaus

Wearing, Stephen, ja Kevin D. Lyons. Journeys of Discovery in Volunteer Tourism: International Case Study Perspectives. UK: CAB International, 2008.

MLA-viite

Wearing, Stephen, ja Kevin D. Lyons. Journeys of Discovery in Volunteer Tourism: International Case Study Perspectives. CAB International, 2008.