Gaya APA

W., C., Wittkopf, E, R. (2001). The Global Agenda : Issues and Perspectives (Ed. 1). Boston: Mcgraw Hill, Inc.

Gaya MLA

W., Charles., Wittkopf, Eugene, R.. "The Global Agenda : Issues and Perspectives". Ed. 1 Boston: Mcgraw Hill, Inc, 2001. Text.