Gaya APA
The 5 Secrets To Becoming a leader. (2006).
Yogyakarta:
Gloria Usaha Mulia.
Gaya Chicago
The 5 Secrets To Becoming a leader.
.
Yogyakarta:
Gloria Usaha Mulia,
2006.
Text.
Gaya MLA
The 5 Secrets To Becoming a leader.
.
Yogyakarta:
Gloria Usaha Mulia,
2006.
Text.
Gaya Turabian
The 5 Secrets To Becoming a leader.
Yogyakarta:
Gloria Usaha Mulia,
2006.
Print.