APA Style
Young, Oran R.. (1990).
Systems of Political science .
:
.
Chicago Style
Young, Oran R..
Systems of Political science.
:
,
1990.
.
MLA Style
Young, Oran R..
Systems of Political science.
:
,
1990.
.
Turabian Style
Young, Oran R..
Systems of Political science.
:
,
1990.
.