Não informado. (1983). Construction Management and Economics. E & FN Spon.
Lua i Stíl Chicago (17ú heag.)Não informado. Construction Management and Economics. London: E & FN Spon, 1983.
Lua MLA (8ú heag.)Não informado. Construction Management and Economics. E & FN Spon, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.