Gaya APA
Jacobsen, GA. (1961).
Political science .
New York:
Barnes & Nobles.
Gaya Chicago
Jacobsen, GA.
Political science.
New York:
Barnes & Nobles,
1961.
Text.
Gaya MLA
Jacobsen, GA.
Political science.
New York:
Barnes & Nobles,
1961.
Text.
Gaya Turabian
Jacobsen, GA.
Political science.
New York:
Barnes & Nobles,
1961.
Print.