Gaya APA
BARBER, E, K, [., CROSSETT, J, M, [.
(1968).
LIBERAL and conservative:
.
Illinois:
Scott, Freeman.
Gaya MLA
BARBER, Eugene, K., [ed.]., CROSSETT, John, M., [ed.].
"LIBERAL and conservative:".
Illinois:
Scott, Freeman,
1968.
Buku.