Παραπομπή σε μορφή APA (7η εκδ.)

Pearce, D. G., & Butler, R. Contemporary issues in tourism development. Routledge, International Academy for the Study of Tourism.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Pearce, Douglas G., και Richard Butler. Contemporary Issues in Tourism Development. London : New York: Routledge, International Academy for the Study of Tourism.

Παραπομπή σε μορφή MLA (9th εκδ.)

Pearce, Douglas G., και Richard Butler. Contemporary Issues in Tourism Development. Routledge, International Academy for the Study of Tourism.