APA (7 वां संस्करण) प्रशस्ति पत्र
Chopra, A. K. (2007). Dynamics of structures: Theory and applications to earthquake engineering (3rd ed.). Pearson/Prentice Hall.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Chopra, Anil K. Dynamics of Structures: Theory and Applications to Earthquake Engineering. 3rd ed. Upper Saddle River, N.J.: Pearson/Prentice Hall, 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Chopra, Anil K. Dynamics of Structures: Theory and Applications to Earthquake Engineering. 3rd ed. Pearson/Prentice Hall, 2007.
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