Gaya APA
Sides, J. et al (2012).
Campaigns & Elections : Rules, Reality, Strategy, Choice (1st Ed).
New York:
W.W. Norton & Co..
Gaya MLA
Sides, John. et al.
"Campaigns & Elections : Rules, Reality, Strategy, Choice".
1st Ed
New York:
W.W. Norton & Co.,
2012.
Text.