Gaya APA
Keefe, W, J, [, A, A. (1983).
American democracy: institutions, politics and policies .
Homewood, Illinois:
The Dorsey Press.
Gaya MLA
Keefe, William, J., [, At, Al.].
"American democracy: institutions, politics and policies".
Homewood, Illinois:
The Dorsey Press,
1983.
Text.