ALPERN, A. (1982). Handbook Of Specialty Elements In Architecture. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)ALPERN, Andrew. Handbook Of Specialty Elements In Architecture. McGraw-Hill, 1982.
Lua MLA (8ú heag.)ALPERN, Andrew. Handbook Of Specialty Elements In Architecture. McGraw-Hill, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.