APA (7 वां संस्करण) प्रशस्ति पत्र

Choo, W. L., & Cheng, M. C. (2006). Engineering mathematics: Volume 2 (Second edition.). Prentice Hall.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Choo, Wai Leong, और Mee Chooi Cheng. Engineering Mathematics: Volume 2. Second edition. Petaling Jaya, Selangor: Prentice Hall, 2006.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Choo, Wai Leong, और Mee Chooi Cheng. Engineering Mathematics: Volume 2. Second edition. Prentice Hall, 2006.