Penggayaan APA
GREENBERG, Edward S.. (1983).
The American political system : (3rd ed.).
Boston:
Little, Brown.
Chicago Style
GREENBERG, Edward S..
The American political system :.
3rd ed.
Boston:
Little, Brown,
1983.
Buku.
MLA Style
GREENBERG, Edward S..
The American political system :.
3rd ed.
Boston:
Little, Brown,
1983.
Buku.
Turabian Style
GREENBERG, Edward S..
The American political system :.
3rd ed.
Boston:
Little, Brown,
1983.
Buku.