Costa, H. d. l. (1965). Readings in Philippine history: Selected historical texts presented with a commnetary. Bookmark.
Cita Chicago (17th ed.)Costa, Horacio de la. Readings in Philippine History: Selected Historical Texts Presented with a Commnetary. Manila: Bookmark, 1965.
Cita MLA (9th ed.)Costa, Horacio de la. Readings in Philippine History: Selected Historical Texts Presented with a Commnetary. Bookmark, 1965.
Atenció: Aquestes cites poden no estar 100% correctes.