Gaya APA
HARTFORD, K., DUVAL, B, J. (2000).
American Politics and International Relations on the Internet: the smart student's guide .
New York:
McGraw-Hill.
Gaya MLA
HARTFORD, Kathleen., DUVAL, Bonnie, Jeanne.
"American Politics and International Relations on the Internet: the smart student's guide".
New York:
McGraw-Hill,
2000.
Text.