Παραπομπή σε μορφή APA (7η εκδ.)

Eadington, W. R. (1992). Tourism alternatives: Potentials and problems in the development of tourism. University of Pennsylvania Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Eadington, William R. Tourism Alternatives: Potentials and Problems in the Development of Tourism. Philadelphia, PA: University of Pennsylvania Press, 1992.

Παραπομπή σε μορφή MLA (8th εκδ.)

Eadington, William R. Tourism Alternatives: Potentials and Problems in the Development of Tourism. University of Pennsylvania Press, 1992.