Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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

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