Dela Costa, H. (1992). Readings in Philippine history: Selected historical texts presented with a commentary. Bookmark.
Chicago-viite (17. p.)Dela Costa, Horacio. Readings in Philippine History: Selected Historical Texts Presented with a Commentary. Manila: Bookmark, 1992.
MLA-viite (9. p.)Dela Costa, Horacio. Readings in Philippine History: Selected Historical Texts Presented with a Commentary. Bookmark, 1992.
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