APA (7 वां संस्करण) प्रशस्ति पत्र

Angus, R. B., & Gundersen, N. A. (1997). Planning, performing, and controlling projects: Principles and applications. Prentice-Hall.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Angus, Robert B., और Norman A. Gundersen. Planning, Performing, and Controlling Projects: Principles and Applications. Upper Saddle River, NJ: Prentice-Hall, 1997.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Angus, Robert B., और Norman A. Gundersen. Planning, Performing, and Controlling Projects: Principles and Applications. Prentice-Hall, 1997.