Gaya APA

University, F, O, G, G, M. (1999). The indonesian journal of gepgraphy . Yogyakarta: Faculty of Geography Gadjah Mada University.

Gaya MLA

University, Faculty, Of, Geography, Gadjah, Mada. "The indonesian journal of gepgraphy". Yogyakarta: Faculty of Geography Gadjah Mada University, 1999. Text.