Gaya APA
Joseph, L., Baker, R.
(2015).
Am Gov 2015-2016
(
4th Ed.)
.
America:
Mc Graw Hiil.
Gaya MLA
Joseph, Losco., Baker, Ralph.
"Am Gov 2015-2016".
4th Ed.
America:
Mc Graw Hiil,
2015.
TEXT.