HEPLER, D. E. (1991). Architecture Drafting And Design Donald E. Hepler, Paul R. Wallach And Dana J. Hepler. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)HEPLER, Donald E. Architecture Drafting And Design Donald E. Hepler, Paul R. Wallach And Dana J. Hepler. McGraw-Hill, 1991.
Lua MLA (8ú heag.)HEPLER, Donald E. Architecture Drafting And Design Donald E. Hepler, Paul R. Wallach And Dana J. Hepler. McGraw-Hill, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.