APA (7th ed.) Zitazioa

Runge, I. C. (1998). Mining economics and strategy. Society for Mining, Metallurgy, and Exploration.

Chicago Style (17th ed.) Zitazioa

Runge, Ian C. Mining Economics and Strategy. Littleton, Colo.: Society for Mining, Metallurgy, and Exploration, 1998.

MLA (9th ed.) Zitazioa

Runge, Ian C. Mining Economics and Strategy. Society for Mining, Metallurgy, and Exploration, 1998.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.