Gaya APA
KEEFE, W, J., S.Ogul, M. (1964).
THE AMERICAN LEGISLATIVE PROCESS .
Englewood Cliffs,New york:
NEW JERSEY: PRENTICE-HALL.
Gaya MLA
KEEFE, William, J.., S.Ogul, Morris.
"THE AMERICAN LEGISLATIVE PROCESS".
Englewood Cliffs,New york:
NEW JERSEY: PRENTICE-HALL,
1964.
Textbook.