Gaya APA
Benjamin, G. et al. (2007).
We the people: an introduction to american politics ed.6 (Ed. 6).
New York:
W.W. Norton Company.
Gaya MLA
Ginsberg, Benjamin. et al.
"We the people: an introduction to american politics ed.6".
Ed. 6
New York:
W.W. Norton Company,
2007.
Textbook.