
McMahon, G. (1999). An environmental study of artisanal, small, and medium mining in Bolivia, Chile, and Peru. World Bank.
Styl cytowania ChicagoMcMahon, Gary. An Environmental Study of Artisanal, Small, and Medium Mining in Bolivia, Chile, and Peru. Washington, D.C: World Bank, 1999.
Styl cytowania MLAMcMahon, Gary. An Environmental Study of Artisanal, Small, and Medium Mining in Bolivia, Chile, and Peru. World Bank, 1999.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..