Lua APA (7ú heag.)
ebrary, Inc, & Fennell, D. A. (2006). North America: A tourism handbook. Channel View Publications.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, agus David A. Fennell. North America: A Tourism Handbook. Clevedon, England ; Buffalo, NY: Channel View Publications, 2006.
Lua MLA (9ú heag.)
ebrary, Inc, agus David A. Fennell. North America: A Tourism Handbook. Channel View Publications, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.