APA Style
SCHUSTER, S, K.
(2006).
AP U.S Government hs politics 2006 Edition
(
1)
.
AMERICA:
new york.
MLA Style
SCHUSTER, SIMON, K.
"AP U.S Government hs politics 2006 Edition".
1
AMERICA:
new york,
2006.
المصادر المراجع.