Eadington, W. R., & Smith, V. L. (1992). Tourism alternatives: Potentials and problems in the development of tourism. University of Pennsylvania Press.
Dyfyniad Arddull ChicagoEadington, William R., and Valene L. Smith. Tourism Alternatives: Potentials and Problems in the Development of Tourism. Philadelphia, Penn: University of Pennsylvania Press, 1992.
Dyfyniad MLAEadington, William R., and Valene L. Smith. Tourism Alternatives: Potentials and Problems in the Development of Tourism. University of Pennsylvania Press, 1992.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.