APA Style
Kollman, Ken. (2014).
The American Political System .
New York:
Norton.
Chicago Style
Kollman, Ken.
The American Political System.
New York:
Norton,
2014.
Buku.
MLA Style
Kollman, Ken.
The American Political System.
New York:
Norton,
2014.
Buku.
Turabian Style
Kollman, Ken.
The American Political System.
New York:
Norton,
2014.
Buku.