Gaya APA

Kegley, C, W., Wittkopf, E, R. (2001). The Global agenda : issues and perspectives (6th ed). Boston: McGraw-Hill.

Gaya MLA

Kegley, Charles, W.., Wittkopf, Eugene, R.. "The Global agenda : issues and perspectives". 6th ed Boston: McGraw-Hill, 2001. Text.