Bowen, R. (1977). Copper: Its geology and economics. Applied Science Publishers.
シカゴスタイル引用形Bowen, Robert. Copper: Its Geology and Economics. London: Applied Science Publishers, 1977.
MLA引用形式Bowen, Robert. Copper: Its Geology and Economics. Applied Science Publishers, 1977.
警告: この引用は必ずしも正確ではありません.