Dyfyniad APA

Economic Geology Publishing Co. (1988). Economic Geology, Vol.83(1-4).

Dyfyniad Arddull Chicago

Economic Geology Publishing Co. Economic Geology, Vol.83(1-4). Economic Geology Publishing Co, 1988.

Dyfyniad MLA

Economic Geology Publishing Co. Economic Geology, Vol.83(1-4). 1988.

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