Gaya APA
Kollman, Ken. (2014).
The American Polical System .
New york:
W.W. Norton & Company,.
Gaya Chicago
Kollman, Ken.
The American Polical System.
New york:
W.W. Norton & Company,,
2014.
Text.
Gaya MLA
Kollman, Ken.
The American Polical System.
New york:
W.W. Norton & Company,,
2014.
Text.
Gaya Turabian
Kollman, Ken.
The American Polical System.
New york:
W.W. Norton & Company,,
2014.
Print.