Salvadori, M., & Heller, R. (1975). Structure in architecture (Second edition.). Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Salvadori, Mario, agus Robert Heller. Structure in Architecture. Second edition. Englewood Cliffs ; New Jersey: Prentice-Hall, 1975.
Lua MLA (8ú heag.)Salvadori, Mario, agus Robert Heller. Structure in Architecture. Second edition. Prentice-Hall, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.