Barbier, E. B., Acreman, M., & Knowler, D. (1997). Economic valuation of wetlands: A guide for policy makers and planners. Ramsar Convention Bureau.
Style de citation Chicago (17e éd.)Barbier, Edward B., Mike Acreman, et Duncan Knowler. Economic Valuation of Wetlands: A Guide for Policy Makers and Planners. Gland, Switzerland: Ramsar Convention Bureau, 1997.
Style de citation MLA (9e éd.)Barbier, Edward B., et al. Economic Valuation of Wetlands: A Guide for Policy Makers and Planners. Ramsar Convention Bureau, 1997.
Attention : ces citations peuvent ne pas être correctes à 100%.