Cita APA

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.

Citación estilo Chicago

Vaughan, William J., y Arthur H. Darling. The Optimal Sample Size for Contingent Valuation Surveys: Applications to Project Analysis. Washington, DC US: Banco Interamericano de Desarrollo, 2000.

Cita MLA

Vaughan, William J., y Arthur H. Darling. The Optimal Sample Size for Contingent Valuation Surveys: Applications to Project Analysis. Washington, DC US: Banco Interamericano de Desarrollo, 2000.