Gaya APA
Kurniawan. (2017).
Being a leader .
Yogyakarta:
Andi.
Gaya Chicago
Kurniawan.
Being a leader.
Yogyakarta:
Andi,
2017.
Text.
Gaya MLA
Kurniawan.
Being a leader.
Yogyakarta:
Andi,
2017.
Text.
Gaya Turabian
Kurniawan.
Being a leader.
Yogyakarta:
Andi,
2017.
Print.