Johnson, R. L., & Johnson, G. V. (1990). Economic valuation of natural resources: Issues, theory, and applications. Westview Press.
Citación estilo ChicagoJohnson, Rebecca L., and Gary V. Johnson. Economic Valuation of Natural Resources: Issues, Theory, and Applications. Boulder: Westview Press, 1990.
Cita MLAJohnson, Rebecca L., and Gary V. Johnson. Economic Valuation of Natural Resources: Issues, Theory, and Applications. Westview Press, 1990.
Warning: These citations may not always be 100% accurate.