APA ציטוט

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

Chicago Style (17th ed.) Citation

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

ציטוט MLA

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