Bautista, A. P. (1994). The archaeological impact assessment project of three historical sites within the Intramuros walls. Manila Studies Association, Philippine National Historical Society, National Commission for Culture and the Arts.
Chicago-viite (17. p.)Bautista, Angel P. The Archaeological Impact Assessment Project of Three Historical Sites Within the Intramuros Walls. Manila: Manila Studies Association, Philippine National Historical Society, National Commission for Culture and the Arts, 1994.
MLA-viite (9. p.)Bautista, Angel P. The Archaeological Impact Assessment Project of Three Historical Sites Within the Intramuros Walls. Manila Studies Association, Philippine National Historical Society, National Commission for Culture and the Arts, 1994.