Dyfyniad APA
Runge, I. C. (1998). Mining economics and strategy. Society for Mining, Metallurgy, and Exploration.
Dyfyniad Arddull Chicago
Runge, Ian C. Mining Economics and Strategy. Littleton, Colo.: Society for Mining, Metallurgy, and Exploration, 1998.
Dyfyniad MLA
Runge, Ian C. Mining Economics and Strategy. Society for Mining, Metallurgy, and Exploration, 1998.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.