एपीए उद्धरण

Chen, W., & El-Metwally, S. E. E. (2011). Understanding structural engineering: From theory to practice. Taylor and francies.

शिकागो स्टाइल उद्धरण

Chen, Wai-Fah, और Salah El-Din E. El-Metwally. Understanding Structural Engineering: From Theory to Practice. Boca ration: Taylor and francies, 2011.

एमएलए उद्धरण

Chen, Wai-Fah, और Salah El-Din E. El-Metwally. Understanding Structural Engineering: From Theory to Practice. Taylor and francies, 2011.