Khashab, A. (1984). Heating, Ventillating & Air Conditioning Systems Estimating Manual A.m. Khashab. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Khashab, A.M. Heating, Ventillating & Air Conditioning Systems Estimating Manual A.m. Khashab. McGraw-Hill, 1984.
Lua MLA (8ú heag.)Khashab, A.M. Heating, Ventillating & Air Conditioning Systems Estimating Manual A.m. Khashab. McGraw-Hill, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.