Gaya APA

Challal, A. et al (2013). Gadjah Mada International Journal Of Business Vol.15 No.1 January - April . Yogyakarta: Faculty Of Economics and Business Universitas Gajah Mada.

Gaya MLA

Challal, Abdelhak. et al. "Gadjah Mada International Journal Of Business Vol.15 No.1 January - April". Yogyakarta: Faculty Of Economics and Business Universitas Gajah Mada, 2013. Text.