Gaya APA
Suyantiningsih, , CarllMaterial, L., E. (1989).
The American Polity : The People and Their Covernment (3 rd ed).
Oxford:
W.W.Northon & Company.
Gaya MLA
Suyantiningsih, , CarllMaterial, L., E..
The American Polity : The People and Their Covernment.
3 rd ed
Oxford:
W.W.Northon & Company,
1989.
Text.