Cita APA

Gocht, W. R., Zantop, H., & Eggert, R. G. (1988). International mineral economics: Mineral exploration, mine valuation, mineral markets, international mineral policies. Berlín: Springer.

Citación estilo Chicago

Gocht, Werner R., H. Zantop, y R. G. Eggert. International Mineral Economics: Mineral Exploration, Mine Valuation, Mineral Markets, International Mineral Policies. Berlín: Springer, 1988.

Cita MLA

Gocht, Werner R., H. Zantop, y R. G. Eggert. International Mineral Economics: Mineral Exploration, Mine Valuation, Mineral Markets, International Mineral Policies. Berlín: Springer, 1988.