APA (7e ed.) Bronvermelding

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.

Chicago (17e ed.) Bronvermelding

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 (9e ed.) Bronvermelding

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.