Spring, P. (1972). The Topographical and archaeological study of the antiquities of the city of Rome, 1420-1447.
Lua i Stíl Chicago (17ú heag.)Spring, Peter. The Topographical and Archaeological Study of the Antiquities of the City of Rome, 1420-1447. 1972.
Lua MLA (8ú heag.)Spring, Peter. The Topographical and Archaeological Study of the Antiquities of the City of Rome, 1420-1447. 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.