Navarro, R. C. (1991). The churches of Ilocos Norte: Treasures from Spain's colonial rule / Roberto C. Navarro. Manila Times.
Dyfyniad Arddull ChicagoNavarro, Roberto C. "The Churches of Ilocos Norte: Treasures from Spain's Colonial Rule / Roberto C. Navarro." Manila Times 1991.
Dyfyniad MLANavarro, Roberto C. "The Churches of Ilocos Norte: Treasures from Spain's Colonial Rule / Roberto C. Navarro." Manila Times, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.