Gaya APA
Soltau, R.H.. ([s.a]).
An Introduction to politics .
[s.l]:
[s.n].
Gaya Chicago
Soltau, R.H..
An Introduction to politics.
[s.l]:
[s.n],
[s.a].
Text.
Gaya MLA
Soltau, R.H..
An Introduction to politics.
[s.l]:
[s.n],
[s.a].
Text.
Gaya Turabian
Soltau, R.H..
An Introduction to politics.
[s.l]:
[s.n],
[s.a].
Print.