APA (7 वां संस्करण) प्रशस्ति पत्र

Sawyer, W. W. (1962). What is calculus about? Mathematical Association of America.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Sawyer, W. W. What Is Calculus About? Washington, D.C.: Mathematical Association of America, 1962.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Sawyer, W. W. What Is Calculus About? Mathematical Association of America, 1962.