Ahlborn, R. (1963). Spanish churches of Central Luzon: The provinces near Manila. Philippine Studies : A Quarterly.
Chicago-viite (17. p.)Ahlborn, Richard. "Spanish Churches of Central Luzon: The Provinces Near Manila." Philippine Studies : A Quarterly 1963.
MLA-viite (9. p.)Ahlborn, Richard. "Spanish Churches of Central Luzon: The Provinces Near Manila." Philippine Studies : A Quarterly, 1963.
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