Gombrich, E. H. (1978). Norm & Form: Studies in the art of the Renaissance. Phaidon.
Lua i Stíl Chicago (17ú heag.)Gombrich, E. H. Norm & Form: Studies in the Art of the Renaissance. London [u.a.]: Phaidon, 1978.
Lua MLA (8ú heag.)Gombrich, E. H. Norm & Form: Studies in the Art of the Renaissance. Phaidon, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.