Macarubbo, P. W. A. (2019). Tuguegarao's Saint Peter's Cathedral: Its history and conservation. Philippiniana Sacra.
Chicago Style aipamenaMacarubbo, Prince Wilson A. "Tuguegarao's Saint Peter's Cathedral: Its History and Conservation." Philippiniana Sacra 2019.
MLA aipamenaMacarubbo, Prince Wilson A. "Tuguegarao's Saint Peter's Cathedral: Its History and Conservation." Philippiniana Sacra, 2019.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.