Penggayaan APA
COVEY, Stephen R. (1997).
7 kebiasaan : principle centered leadership (cet. 1).
jakarta:
binarupa aksara.
Chicago Style
COVEY, Stephen R.
7 kebiasaan : principle centered leadership.
cet. 1
jakarta:
binarupa aksara,
1997.
Text.
MLA Style
COVEY, Stephen R.
7 kebiasaan : principle centered leadership.
cet. 1
jakarta:
binarupa aksara,
1997.
Text.
Turabian Style
COVEY, Stephen R.
7 kebiasaan : principle centered leadership.
cet. 1
jakarta:
binarupa aksara,
1997.
Print.