Παραπομπή σε μορφή APA (7η εκδ.)

Covey, S. R. (2002). The 7 habits of highly effective people. Franklin Covey, distributed by Simon & Schuster Audio.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Covey, Stephen R. The 7 Habits of Highly Effective People. Salt Lake City, UT: Franklin Covey, distributed by Simon & Schuster Audio, 2002.

Παραπομπή σε μορφή MLA (9th εκδ.)

Covey, Stephen R. The 7 Habits of Highly Effective People. Franklin Covey, distributed by Simon & Schuster Audio, 2002.