Gaya APA
Covey, Stephen R. (1999).
Living the 7 habits : stories of courage and inspiration .
New York:
Simons and Schuster.
Gaya Chicago
Covey, Stephen R.
Living the 7 habits : stories of courage and inspiration.
New York:
Simons and Schuster,
1999.
Buku.
Gaya MLA
Covey, Stephen R.
Living the 7 habits : stories of courage and inspiration.
New York:
Simons and Schuster,
1999.
Buku.
Gaya Turabian
Covey, Stephen R.
Living the 7 habits : stories of courage and inspiration.
New York:
Simons and Schuster,
1999.
Buku.