Gaya APA
LOWI, T, J. et al
(2002).
American Government: power and purpose
(
Ed.8)
.
New York:
W.W Norton & Company.
Gaya MLA
LOWI, Theodore, J.. et al.
"American Government: power and purpose".
Ed.8
New York:
W.W Norton & Company,
2002.
Text.