APA Style
COVEY, Stephen R.. (2012).
The Wisdom and Teachings of Stephen R. Covey (Cetakan ke- 1).
New York:
Free Press.
Chicago Style
COVEY, Stephen R..
The Wisdom and Teachings of Stephen R. Covey.
Cetakan ke- 1
New York:
Free Press,
2012.
.
MLA Style
COVEY, Stephen R..
The Wisdom and Teachings of Stephen R. Covey.
Cetakan ke- 1
New York:
Free Press,
2012.
.
Turabian Style
COVEY, Stephen R..
The Wisdom and Teachings of Stephen R. Covey.
Cetakan ke- 1
New York:
Free Press,
2012.
.