American Society of Civil Engineers. Committee on Specifications. (2013). Preparation of construction specifications for civil projects. American Society of Civil Engineers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAmerican Society of Civil Engineers. Committee on Specifications. Preparation of Construction Specifications for Civil Projects. Reston, Virginia: American Society of Civil Engineers, 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAmerican Society of Civil Engineers. Committee on Specifications. Preparation of Construction Specifications for Civil Projects. American Society of Civil Engineers, 2013.
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