Dyfyniad APA

Oregon Bureau of Mines and Geology. (1915). Minerals and mineral industries of Oregon ([Panama-Pacific ed.].).

Dyfyniad Arddull Chicago

Oregon Bureau of Mines and Geology. Minerals and Mineral Industries of Oregon. [Panama-Pacific ed.]. [N.p.], 1915.

Dyfyniad MLA

Oregon Bureau of Mines and Geology. Minerals and Mineral Industries of Oregon. [Panama-Pacific ed.]. 1915.

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