APA Style
Isaak, Alan C.. (1981).
Scope and methods of political science (Cetakan 3).
New York:
[S.n.].
Chicago Style
Isaak, Alan C..
Scope and methods of political science.
Cetakan 3
New York:
[S.n.],
1981.
Text.
MLA Style
Isaak, Alan C..
Scope and methods of political science.
Cetakan 3
New York:
[S.n.],
1981.
Text.
Turabian Style
Isaak, Alan C..
Scope and methods of political science.
Cetakan 3
New York:
[S.n.],
1981.
Print.