Arcilla, J. P. E. Walls within the walls: The architecture of Intramuros by the end of the Spanish regime.
Lua i Stíl Chicago (17ú heag.)Arcilla, John Paul Escandor. Walls Within the Walls: The Architecture of Intramuros by the End of the Spanish Regime.
Lua MLA (9ú heag.)Arcilla, John Paul Escandor. Walls Within the Walls: The Architecture of Intramuros by the End of the Spanish Regime.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.