APA Style
Kegley, C, W, J., Wittkope, E, R. (1997).
World Politics : trend and transformation. .
New York.:
St. Martin\' s Press..
MLA Style
Kegley, Charles, W.,, Jr.., Wittkope, Eugene, R..
"World Politics : trend and transformation.".
New York.:
St. Martin\' s Press.,
1997.
หนังสือ (Book).