Lindberg, K., & Enriquez, J. (1993). An analysis of ecotourism´s economic contribution to conservation and development in Belize: Summary report. World Wildlife Fund.
Citação do estilo Chicago (17ª ed.)Lindberg, Kreg, e Jeremy Enriquez. An Analysis of Ecotourism´s Economic Contribution to Conservation and Development in Belize: Summary Report. [Belice]: World Wildlife Fund, 1993.
Citação MLA (8ª ed.)Lindberg, Kreg, e Jeremy Enriquez. An Analysis of Ecotourism´s Economic Contribution to Conservation and Development in Belize: Summary Report. World Wildlife Fund, 1993.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.