Παραπομπή σε μορφή APA (7η εκδ.)

BONIFACE, B. G., & COOPER, C. P. (1987). The geography of travel and tourism. Heinemann Professional Publishing.

Παραπομπή σε μορφή Chicago (17η εκδ.)

BONIFACE, Brian G., και Christopher P. COOPER. The Geography of Travel and Tourism. Oxford: Heinemann Professional Publishing, 1987.

Παραπομπή σε μορφή MLA (9th εκδ.)

BONIFACE, Brian G., και Christopher P. COOPER. The Geography of Travel and Tourism. Heinemann Professional Publishing, 1987.