APA Style
To Be A Great Effective Leader. (2012).
Yogyakarta:
Andi.
Chicago Style
To Be A Great Effective Leader.
.
Yogyakarta:
Andi,
2012.
Buku.
MLA Style
To Be A Great Effective Leader.
.
Yogyakarta:
Andi,
2012.
Buku.
Turabian Style
To Be A Great Effective Leader.
Yogyakarta:
Andi,
2012.
Buku.