Dyfyniad APA

Corby, G. W. (1951). Geology and oil possibilities of the Philippines. Bureau of Print.

Dyfyniad Arddull Chicago

Corby, Grant W. Geology and Oil Possibilities of the Philippines. Manila: Bureau of Print, 1951.

Dyfyniad MLA

Corby, Grant W. Geology and Oil Possibilities of the Philippines. Bureau of Print, 1951.

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