Lua APA (7ú heag.)

Navarro, R. C. (1991). The churches of Ilocos Norte: Treasures from Spain's colonial rule / Roberto C. Navarro. Manila Times.

Lua i Stíl Chicago (17ú heag.)

Navarro, Roberto C. "The Churches of Ilocos Norte: Treasures from Spain's Colonial Rule / Roberto C. Navarro." Manila Times 1991.

Lua MLA (9ú heag.)

Navarro, Roberto C. "The Churches of Ilocos Norte: Treasures from Spain's Colonial Rule / Roberto C. Navarro." Manila Times, 1991.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.