Gaya APA
Foreign Affairs. (2001).
United States of America:
.
Gaya Chicago
Foreign Affairs.
Volume 80, Number 4, 2001.
United States of America:
,
2001.
Jurnal.
Gaya MLA
Foreign Affairs.
Volume 80, Number 4, 2001.
United States of America:
,
2001.
Jurnal.
Gaya Turabian
Foreign Affairs.
United States of America:
,
2001.
Jurnal.