Corby, G. W. (1951). Geology and oil possibilities of the Philippines. Bureau of Print.
Citación estilo ChicagoCorby, Grant W. Geology and Oil Possibilities of the Philippines. Manila: Bureau of Print, 1951.
Cita MLACorby, Grant W. Geology and Oil Possibilities of the Philippines. Bureau of Print, 1951.
Warning: These citations may not always be 100% accurate.