Deprecated: Creation of dynamic property WhichBrowser\Analyser\Header\Useragent::$data is deprecated in /home/ftunma/public_html/e-library/plugins/visitorwebcounter/vendor/whichbrowser/parser/src/Analyser/Header/Useragent.php on line 11

Deprecated: Creation of dynamic property WhichBrowser\Analyser\Header\Useragent::$options is deprecated in /home/ftunma/public_html/e-library/plugins/visitorwebcounter/vendor/whichbrowser/parser/src/Analyser/Header/Useragent.php on line 12

Gaya APA

Sitepu, P, A. (2011). Studi Hubungan Internasional . Yogyakarta: Graha Ilmu.

Gaya MLA

Sitepu, P., Anthonius. "Studi Hubungan Internasional". Yogyakarta: Graha Ilmu, 2011. Text.