Papua New Guinea University of Technology & Blowers, M. J. (1983). Small scale gold mining in Papua New Guinea: A preliminary summary report. Papua New Guinea University of Technology, Dept. of Chemical Technology.
Цитирование в стиле Чикаго (17-е изд.)Papua New Guinea University of Technology и M. J. Blowers. Small Scale Gold Mining in Papua New Guinea: A Preliminary Summary Report. [Lae]: Papua New Guinea University of Technology, Dept. of Chemical Technology, 1983.
Цитирование MLA (9-е изд.)Papua New Guinea University of Technology и M. J. Blowers. Small Scale Gold Mining in Papua New Guinea: A Preliminary Summary Report. Papua New Guinea University of Technology, Dept. of Chemical Technology, 1983.
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