SMITH, R. C. (1994). Estimating And Tendering For Building Work Rc Smith. Longman Scintific Technical.
Lua i Stíl Chicago (17ú heag.)SMITH, R C. Estimating And Tendering For Building Work Rc Smith. Longman Scintific Technical, 1994.
Lua MLA (8ú heag.)SMITH, R C. Estimating And Tendering For Building Work Rc Smith. Longman Scintific Technical, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.