APA (7 वां संस्करण) प्रशस्ति पत्र

Vance, E. P. (1977). Modern algebra and trigonometry (3rd ed.). Addison-Wesley Pub.Co.Inc.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Vance, Elbridge P. Modern Algebra and Trigonometry. 3rd ed. Reading,Mass: Addison-Wesley Pub.Co.Inc, 1977.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Vance, Elbridge P. Modern Algebra and Trigonometry. 3rd ed. Addison-Wesley Pub.Co.Inc, 1977.