APA (7 वां संस्करण) प्रशस्ति पत्र

Ferrett, S. K. (1997). Peak performance: Success in college & beyond (2nd ed.). Irwin Mirror Press.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Ferrett, Sharon K. Peak Performance: Success in College & Beyond. 2nd ed. Chicago: Irwin Mirror Press, 1997.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Ferrett, Sharon K. Peak Performance: Success in College & Beyond. 2nd ed. Irwin Mirror Press, 1997.