Lua APA (7ú heag.)

Pearce, D. G., & Butler, R. (2002). Contemporary issues in tourism development. Routledge.

Lua i Stíl Chicago (17ú heag.)

Pearce, Douglas G., agus Richard Butler. Contemporary Issues in Tourism Development. London: Routledge, 2002.

Lua MLA (9ú heag.)

Pearce, Douglas G., agus Richard Butler. Contemporary Issues in Tourism Development. Routledge, 2002.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.