Khashab, A. (1984). Heating, Ventillating & Air Conditioning Systems Estimating Manual A.m. Khashab. McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKhashab, A.M. Heating, Ventillating & Air Conditioning Systems Estimating Manual A.m. Khashab. McGraw-Hill, 1984.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKhashab, A.M. Heating, Ventillating & Air Conditioning Systems Estimating Manual A.m. Khashab. McGraw-Hill, 1984.
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