Covey, Sean
The 7 habits of highly effective teens : personal workbook
[publisher not identified], [date of publication no identified]
 Buku Teks
Covey, Stephen R.
The 7 habits of highly effective people: powerful lessons in personal change
Simon &​ Schuster, 2013
 Buku Teks
Covey, Stephen R.
The 7 habits of highly effective people ; powerful lessons in personal change
Simon & Schuster, 2013
 Buku Teks
Covey, Stephen R.
The 7 habits of highly effective people : restoring the characters ethics
A Fireside Book, 1989
 Buku Teks
Covey, Stephen R.
The 7 habits of highly effective people = 7 (tujuh) kebiasaan manusia yang sangat efektif
Dunamis, 2015
 Buku Teks