Dyfyniad APA

Society of Economic Geologists. (1953). Economic Geology vol.48, Nos.5-8.

Dyfyniad Arddull Chicago

Society of Economic Geologists. Economic Geology Vol.48, Nos.5-8. Society of Economic Geologists, 1953.

Dyfyniad MLA

Society of Economic Geologists. Economic Geology Vol.48, Nos.5-8. 1953.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.