International Development Research Center (Singapore) & Economy and Environment Program for Southeast Asia. (2008). Willingness to pay for the conservation of endangered species in four Asian countries. Economy and Environment Program for Southeast Asia.
Cita Chicago (17th ed.)International Development Research Center (Singapore) i Economy and Environment Program for Southeast Asia. Willingness to Pay for the Conservation of Endangered Species in Four Asian Countries. Singapore: Economy and Environment Program for Southeast Asia, 2008.
Cita MLA (9th ed.)International Development Research Center (Singapore) i Economy and Environment Program for Southeast Asia. Willingness to Pay for the Conservation of Endangered Species in Four Asian Countries. Economy and Environment Program for Southeast Asia, 2008.