Vaughan, W. J., & Darling, A. H. (2000). The Optimal Sample Size for Contingent Valuation Surveys: Applications to Project Analysis. Washington, DC US: Banco Interamericano de Desarrollo.
Chicago Style CitationVaughan, William J., and Arthur H. Darling. The Optimal Sample Size for Contingent Valuation Surveys: Applications to Project Analysis. Washington, DC US: Banco Interamericano de Desarrollo, 2000.
MLA CitationVaughan, William J., and Arthur H. Darling. The Optimal Sample Size for Contingent Valuation Surveys: Applications to Project Analysis. Washington, DC US: Banco Interamericano de Desarrollo, 2000.
Warning: These citations may not always be 100% accurate.