Levy, S. M. (2004). Construction superintendent's operations manual. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Levy, Sidney M. Construction Superintendent's Operations Manual. New York: McGraw-Hill, 2004.
Lua MLA (8ú heag.)Levy, Sidney M. Construction Superintendent's Operations Manual. McGraw-Hill, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.