Gaya APA
Woll, Peter. (1962).
American government .
Toranto:
Little Brown and Company.
Gaya Chicago
Woll, Peter.
American government.
Toranto:
Little Brown and Company,
1962.
Tesis.
Gaya MLA
Woll, Peter.
American government.
Toranto:
Little Brown and Company,
1962.
Tesis.
Gaya Turabian
Woll, Peter.
American government.
Toranto:
Little Brown and Company,
1962.
Tesis.