PRATT, D. J. (1995). Fundamentals Of Construction Estimating. Delmar.
Lua i Stíl Chicago (17ú heag.)PRATT, David J. Fundamentals Of Construction Estimating. Delmar, 1995.
Lua MLA (8ú heag.)PRATT, David J. Fundamentals Of Construction Estimating. Delmar, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.