Gaya APA
John, S. (1980).
AMERICAN FOREIGN POLICY SINCE WORLD WAR II (8th Edition).
New York:
HOLT, RINEHART AND WINSTON, NewYork.
Gaya MLA
John, Spanier.
"AMERICAN FOREIGN POLICY SINCE WORLD WAR II".
8th Edition
New York:
HOLT, RINEHART AND WINSTON, NewYork,
1980.
Textbook.