Gaya APA
Soltau, Roger H. (1952).
An Introduction to politics .
New York:
Longman.
Gaya Chicago
Soltau, Roger H.
An Introduction to politics.
New York:
Longman,
1952.
Text.
Gaya MLA
Soltau, Roger H.
An Introduction to politics.
New York:
Longman,
1952.
Text.
Gaya Turabian
Soltau, Roger H.
An Introduction to politics.
New York:
Longman,
1952.
Print.