Jackson, R. (1999). Global issues 99/00 (15th ed.). Dushkin/McGraw-Hill.
Cita Chicago (17th ed.)Jackson, Robert. Global Issues 99/00. 15th ed. connecticut: Dushkin/McGraw-Hill, 1999.
Cita MLA (8th ed.)Jackson, Robert. Global Issues 99/00. 15th ed. Dushkin/McGraw-Hill, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.