Gaya APA
Covey, Stephen R., Drs. Julius Sanjaya. (1997).
Principle centered leadership (1).
Jakarta:
Binarupa Aksara.
Gaya Chicago
Covey, Stephen R., Drs. Julius Sanjaya.
Principle centered leadership.
1
Jakarta:
Binarupa Aksara,
1997.
Text.
Gaya MLA
Covey, Stephen R., Drs. Julius Sanjaya.
Principle centered leadership.
1
Jakarta:
Binarupa Aksara,
1997.
Text.
Gaya Turabian
Covey, Stephen R., Drs. Julius Sanjaya.
Principle centered leadership.
1
Jakarta:
Binarupa Aksara,
1997.
Print.