APA Style
Bernstein, Robert A.. ().
An Introduction to Political Science Methods. .
:
.
Chicago Style
Bernstein, Robert A..
An Introduction to Political Science Methods..
:
,
.
.
MLA Style
Bernstein, Robert A..
An Introduction to Political Science Methods..
:
,
.
.
Turabian Style
Bernstein, Robert A..
An Introduction to Political Science Methods..
:
,
.
.