Society of Economic Geologists. (1906). Economic Geology Vol.1Nos.1-8.
シカゴスタイル引用形Society of Economic Geologists. Economic Geology Vol.1Nos.1-8. Economic Geology Publishing Co, 1906.
MLA引用形式Society of Economic Geologists. Economic Geology Vol.1Nos.1-8. 1906.
警告: この引用は必ずしも正確ではありません.