Gaya APA
Hastedt, G, P. (2009).
Annual editions: American foreign policy 09/10 (1).
United States of America:
McGraw-Hill Book Company.
Gaya MLA
Hastedt, Glenn, P..
"Annual editions: American foreign policy 09/10".
1
United States of America:
McGraw-Hill Book Company,
2009.
Text.