APA Style

HUTABARAT, Herdy N.. (2014). The Power Of Enthusiasm . Yogyakarta: Andi Offset.

Chicago Style

HUTABARAT, Herdy N.. The Power Of Enthusiasm. Yogyakarta: Andi Offset, 2014. Text.

MLA Style

HUTABARAT, Herdy N.. The Power Of Enthusiasm. Yogyakarta: Andi Offset, 2014. Text.

Turabian Style

HUTABARAT, Herdy N.. The Power Of Enthusiasm. Yogyakarta: Andi Offset, 2014. Print.