Jennings, G. (2010). Tourism research (2nd ed.). Wiley.
Lua i Stíl Chicago (17ú heag.)Jennings, Gayle. Tourism Research. 2nd ed. New York: Wiley, 2010.
Lua MLA (9ú heag.)Jennings, Gayle. Tourism Research. 2nd ed. Wiley, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.