Gaya APA

International research journal of business studies, Vol.4/No.1/April-July 2012. (2012). Jakarta: Prasetiya Mulya Business.

Gaya MLA

International research journal of business studies, Vol.4/No.1/April-July 2012. . Jakarta: Prasetiya Mulya Business, 2012. Jurnal Internasional Ekonomi.