एपीए उद्धरण

(1972). CRSI handbook, based upon the 1971 ACI building code. Chicago: Concrete Reinforcing Steel Institute.

शिकागो स्टाइल उद्धरण

CRSI Handbook, Based Upon the 1971 ACI Building Code. Chicago: Concrete Reinforcing Steel Institute, 1972.

एमएलए उद्धरण

CRSI Handbook, Based Upon the 1971 ACI Building Code. Chicago: Concrete Reinforcing Steel Institute, 1972.

चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.