(ACI), A. C. I. (1989). Guide for measuring, mixing, transporting, and placing concrete. American Concrete Institute (ACI).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र(ACI), AMERICAN CONCRETE INSTITUTE. Guide for Measuring, Mixing, Transporting, and Placing Concrete. American Concrete Institute (ACI), 1989.
एमएलए (8वां संस्करण) प्रशस्ति पत्र(ACI), AMERICAN CONCRETE INSTITUTE. Guide for Measuring, Mixing, Transporting, and Placing Concrete. American Concrete Institute (ACI), 1989.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.