BUTLER, R. B. (1998). Standard handbook of architectural engineeringa practice manual for architects, engineers, contractors & related professions & occupations. McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBUTLER, Robert Brown. Standard Handbook of Architectural Engineeringa Practice Manual for Architects, Engineers, Contractors & Related Professions & Occupations. McGraw-Hill, 1998.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBUTLER, Robert Brown. Standard Handbook of Architectural Engineeringa Practice Manual for Architects, Engineers, Contractors & Related Professions & Occupations. McGraw-Hill, 1998.
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