Macarubbo, P. W. A. (2019). Tuguegarao's Saint Peter's Cathedral: Its history and conservation. Philippiniana Sacra.
Chicago-viite (17. p.)Macarubbo, Prince Wilson A. "Tuguegarao's Saint Peter's Cathedral: Its History and Conservation." Philippiniana Sacra 2019.
MLA-viite (8. p.)Macarubbo, Prince Wilson A. "Tuguegarao's Saint Peter's Cathedral: Its History and Conservation." Philippiniana Sacra, 2019.
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