Corby, G. W. (1951). Geology and oil possibilities of the Philippines. Bureau of Print.
芝加哥风格引文Corby, Grant W. Geology and Oil Possibilities of the Philippines. Manila: Bureau of Print, 1951.
MLA引文Corby, Grant W. Geology and Oil Possibilities of the Philippines. Bureau of Print, 1951.
警告：这些引文格式不一定是100％准确.