Gocht, W. R., Zantop, H., & Eggert, R. G. (1988). International mineral economics: Mineral exploration, mine valuation, mineral markets, internat. mineral policies. Springer.
Chicago Style (17th ed.) CitationGocht, Werner R., Half Zantop, and Roderick G. Eggert. International Mineral Economics: Mineral Exploration, Mine Valuation, Mineral Markets, Internat. Mineral Policies. Berlin u.a: Springer, 1988.
MLA (9th ed.) CitationGocht, Werner R., et al. International Mineral Economics: Mineral Exploration, Mine Valuation, Mineral Markets, Internat. Mineral Policies. Springer, 1988.
Warning: These citations may not always be 100% accurate.