Eadington, W. R., & Smith, V. L. (1992). Tourism alternatives: Potentials and problems in the development of tourism. University of Pennsylvania Press.
芝加哥风格引文Eadington, William R., 与 Valene L. Smith. Tourism Alternatives: Potentials and Problems in the Development of Tourism. Philadelphia, Penn: University of Pennsylvania Press, 1992.
MLA引文Eadington, William R., 与 Valene L. Smith. Tourism Alternatives: Potentials and Problems in the Development of Tourism. University of Pennsylvania Press, 1992.
警告：这些引文格式不一定是100％准确.