Gaya APA
Yusuf, Nanang Qosim. (2006).
The 7 Awareness .
jakarta:
PT.Grasindo.
Gaya Chicago
Yusuf, Nanang Qosim.
The 7 Awareness.
jakarta:
PT.Grasindo,
2006.
Text.
Gaya MLA
Yusuf, Nanang Qosim.
The 7 Awareness.
jakarta:
PT.Grasindo,
2006.
Text.
Gaya Turabian
Yusuf, Nanang Qosim.
The 7 Awareness.
jakarta:
PT.Grasindo,
2006.
Print.