Gaya APA
EDWARDS, G, C, I., GLOVIN, P, (.
(1998).
Government in America
(
8th. ed.)
.
Harlow:
Longman.
Gaya MLA
EDWARDS, George, C.,, III., GLOVIN, Peter, (ed).
"Government in America".
8th. ed.
Harlow:
Longman,
1998.
Buku.