Gaya APA
GAMMA, T, W.
(2009).
SNM-PTN IPS 2010
(
1)
.
Hoboken, NJ:
Wiley.
Gaya MLA
GAMMA, TIM, WIDYA.
"SNM-PTN IPS 2010".
1
Hoboken, NJ:
Wiley,
2009.
Printed Book.