Gaya APA
Covey, Stephen R.. (2013).
The 7 Habits of Highly Effective People : Powerful Lessons in Personal Change .
New York:
Simon & Schuster.
Gaya Chicago
Covey, Stephen R..
The 7 Habits of Highly Effective People : Powerful Lessons in Personal Change.
New York:
Simon & Schuster,
2013.
Koleksi Buku Teks.
Gaya MLA
Covey, Stephen R..
The 7 Habits of Highly Effective People : Powerful Lessons in Personal Change.
New York:
Simon & Schuster,
2013.
Koleksi Buku Teks.
Gaya Turabian
Covey, Stephen R..
The 7 Habits of Highly Effective People : Powerful Lessons in Personal Change.
New York:
Simon & Schuster,
2013.
Koleksi Buku Teks.