Παραπομπή σε μορφή APA (7η εκδ.)

Williams, A. M., & Shaw, G. (1991). Tourism and economic development: Western European experiences (2nd edition.). John Willey & Sons.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Williams, Allan M., και Gareth Shaw. Tourism and Economic Development: Western European Experiences. 2nd edition. Chichester: John Willey & Sons, 1991.

Παραπομπή σε μορφή MLA (8th εκδ.)

Williams, Allan M., και Gareth Shaw. Tourism and Economic Development: Western European Experiences. 2nd edition. John Willey & Sons, 1991.