Rubia, R. O. (2007). A history of growth of the shipping industry and the development of the Port Area of Cebu before the American era. Journal of History.
芝加哥风格引文Rubia, Roquezon O. "A History of Growth of the Shipping Industry and the Development of the Port Area of Cebu Before the American Era." Journal of History 2007.
MLA引文Rubia, Roquezon O. "A History of Growth of the Shipping Industry and the Development of the Port Area of Cebu Before the American Era." Journal of History, 2007.
警告：这些引文格式不一定是100％准确.