APA (7 वां संस्करण) प्रशस्ति पत्र

Nobles, M. A. (1974). Using the computer to solve petroleum engineering problems. Gulf Pub. Co..

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Nobles, M. A. Using the Computer to Solve Petroleum Engineering Problems. Houston, Tex.: Gulf Pub. Co., 1974.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Nobles, M. A. Using the Computer to Solve Petroleum Engineering Problems. Gulf Pub. Co., 1974.