Gaya APA
Schroeder, Richard C.. (1989).
American Government .
New York:
USA Information Agency.
Gaya Chicago
Schroeder, Richard C..
American Government.
New York:
USA Information Agency,
1989.
Non-fiction.
Gaya MLA
Schroeder, Richard C..
American Government.
New York:
USA Information Agency,
1989.
Non-fiction.
Gaya Turabian
Schroeder, Richard C..
American Government.
New York:
USA Information Agency,
1989.
Non-fiction.