Lua APA (7ú heag.)
ebrary, Inc, & Harrison, D. (2001). Tourism and the less developed world: Issues and case studies. CABI Pub..
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, agus David Harrison. Tourism and the Less Developed World: Issues and Case Studies. New York, N.Y.: CABI Pub., 2001.
Lua MLA (9ú heag.)
ebrary, Inc, agus David Harrison. Tourism and the Less Developed World: Issues and Case Studies. CABI Pub., 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.