Gaya APA
Hastedt, G, P. (2008).
Annual Editions : American Foreign Policy (Ed.13).
Dubuque, Iowa:
McGraw Hill : Contemporary Learning series.
Gaya MLA
Hastedt, Glenn, P..
"Annual Editions : American Foreign Policy".
Ed.13
Dubuque, Iowa:
McGraw Hill : Contemporary Learning series,
2008.
Text.