APA (7 वां संस्करण) प्रशस्ति पत्र

Covey, S. R. (2004). The 8th habit: From effectiveness to greatness (First edition.). Free Press.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Covey, Stephen R. The 8th Habit: From Effectiveness to Greatness. First edition. New York: Free Press, 2004.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Covey, Stephen R. The 8th Habit: From Effectiveness to Greatness. First edition. Free Press, 2004.