Παραπομπή APA

Mcmahon, G. (1999). An environmental study of artisanal, small, and medium mining in Bolivia, Chile, and Peru. Washington: The World bank.

Παραπομπή Chicago Style

Mcmahon, Gary. An Environmental Study of Artisanal, Small, and Medium Mining in Bolivia, Chile, and Peru. Washington: The World bank, 1999.

Παραπομπή MLA

Mcmahon, Gary. An Environmental Study of Artisanal, Small, and Medium Mining in Bolivia, Chile, and Peru. Washington: The World bank, 1999.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.