Ritchie, J. B., Hawkins, D. E., Go, F., & Frechtling, D. C. (1993). World travel and tourism review: Indicators, trends and issues. CAB International.
Style de citation Chicago (17e éd.)Ritchie, J.R. Brent, Donald E. Hawkins, Frank Go, et Douglas C. Frechtling. World Travel and Tourism Review: Indicators, Trends and Issues. Oxford: CAB International, 1993.
Style de citation MLA (8e éd.)Ritchie, J.R. Brent, et al. World Travel and Tourism Review: Indicators, Trends and Issues. CAB International, 1993.
Attention : ces citations peuvent ne pas être correctes à 100%.