APA Style
Covey, Stephen R. (1992).
Principle-Centered Leadership : A Philosophy For Life And For Succes in Business (1).
Sydney:
Simon & Schuster.
Chicago Style
Covey, Stephen R.
Principle-Centered Leadership : A Philosophy For Life And For Succes in Business.
1
Sydney:
Simon & Schuster,
1992.
Manajemen.
IEEE Style
*IEEE style untuk Skripsi
Covey, Stephen R.
(1992).
Principle-Centered Leadership : A Philosophy For Life And For Succes in Business.
1.
Sydney:
Simon & Schuster.
*IEEE style untuk Buku/Jurnal
Covey, Stephen R.
Principle-Centered Leadership : A Philosophy For Life And For Succes in Business.
1.
Sydney:
Simon & Schuster,
1992.
MLA Style
Covey, Stephen R.
Principle-Centered Leadership : A Philosophy For Life And For Succes in Business.
1
Sydney:
Simon & Schuster,
1992.
Manajemen.
Turabian Style
Covey, Stephen R.
Principle-Centered Leadership : A Philosophy For Life And For Succes in Business.
1
Sydney:
Simon & Schuster,
1992.
Manajemen.