Khashab, A. (1984). Heating, Ventillating & Air Conditioning Systems Estimating Manual A.m. Khashab. McGraw-Hill.
Dyfyniad Arddull ChicagoKhashab, A.M. Heating, Ventillating & Air Conditioning Systems Estimating Manual A.m. Khashab. McGraw-Hill, 1984.
Dyfyniad MLAKhashab, A.M. Heating, Ventillating & Air Conditioning Systems Estimating Manual A.m. Khashab. McGraw-Hill, 1984.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.