Gaya APA
HUTABARAT, H, N.
(2014).
The Power of Enthusiasm
(
Edisi I)
.
Upper Saddle River, NJ:
CV Andi Offset.
Gaya MLA
HUTABARAT, Herdy, N.
"The Power of Enthusiasm".
Edisi I
Upper Saddle River, NJ:
CV Andi Offset,
2014.
Text.