Gaya APA
MUTABARAT, Herdy N. (2014).
The Power of Enthusiasm (1).
Yogyakarta.:
Andi Offset..
Gaya Chicago
MUTABARAT, Herdy N.
The Power of Enthusiasm.
1
Yogyakarta.:
Andi Offset.,
2014.
Text.
Gaya MLA
MUTABARAT, Herdy N.
The Power of Enthusiasm.
1
Yogyakarta.:
Andi Offset.,
2014.
Text.
Gaya Turabian
MUTABARAT, Herdy N.
The Power of Enthusiasm.
1
Yogyakarta.:
Andi Offset.,
2014.
Print.