Παραπομπή σε μορφή APA (7η εκδ.)

Wells, P. A. (1996). Keys to the marketplace: Problems and issues in cultural and heritage tourism. Hisarlik Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Wells, Patricia Atkinson. Keys to the Marketplace: Problems and Issues in Cultural and Heritage Tourism. Middlesex: Hisarlik Press, 1996.

Παραπομπή σε μορφή MLA (9th εκδ.)

Wells, Patricia Atkinson. Keys to the Marketplace: Problems and Issues in Cultural and Heritage Tourism. Hisarlik Press, 1996.