Eadington, W. R., & Smith, V. L. (1992). Tourism alternatives: Potentials and problems in the development of tourism. University of Pennsylvania Press.
Цитирование в стиле Чикаго (17-е изд.)Eadington, William R., и Valene L. Smith. Tourism Alternatives: Potentials and Problems in the Development of Tourism. Philadelphia, Penn: University of Pennsylvania Press, 1992.
Цитирование MLA (9-е изд.)Eadington, William R., и Valene L. Smith. Tourism Alternatives: Potentials and Problems in the Development of Tourism. University of Pennsylvania Press, 1992.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.