Cita APA

McMahon, G. (1999). An environmental study of artisanal, small, and medium mining in Bolivia, Chile, and Peru. World Bank.

Citación estilo Chicago

McMahon, Gary. An Environmental Study of Artisanal, Small, and Medium Mining in Bolivia, Chile, and Peru. Washington, D.C: World Bank, 1999.

Cita MLA

McMahon, Gary. An Environmental Study of Artisanal, Small, and Medium Mining in Bolivia, Chile, and Peru. World Bank, 1999.