NORTON, B. R. (1995). Value Management In Construction. Macmillan Press.
Lua i Stíl Chicago (17ú heag.)NORTON, Brian R. Value Management In Construction. Macmillan Press, 1995.
Lua MLA (8ú heag.)NORTON, Brian R. Value Management In Construction. Macmillan Press, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.