APA (7 ম সংস্করণ) উদ্ধৃতি

Covey, S. R. (2004). The seven habits of highly effective people ([2nd ed.].). Pocket Books.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Covey, Stephen R. The Seven Habits of Highly Effective People. [2nd ed.]. London: Pocket Books, 2004.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Covey, Stephen R. The Seven Habits of Highly Effective People. [2nd ed.]. Pocket Books, 2004.