Katchan, G. (1982). Mineralogy and geochemistry of the Ertsberg (Gunung Bijih) and Erstberg East (Gunung Bijih Timur) skarns, Irian Jaya, Indonesia and the Ok Tedi skarns, Papua New Guinea.
Citação do estilo Chicago (17ª ed.)Katchan, George. Mineralogy and Geochemistry of the Ertsberg (Gunung Bijih) and Erstberg East (Gunung Bijih Timur) Skarns, Irian Jaya, Indonesia and the Ok Tedi Skarns, Papua New Guinea. 1982.
Citação MLA (8ª ed.)Katchan, George. Mineralogy and Geochemistry of the Ertsberg (Gunung Bijih) and Erstberg East (Gunung Bijih Timur) Skarns, Irian Jaya, Indonesia and the Ok Tedi Skarns, Papua New Guinea. 1982.
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