Gaya APA
Sutanto, . (1997).
Indonesian Journal of Geography Vol. 29 No. 74 Desember 1997 (Desember 1997).
Yogyakarta:
Universitas Gadjah Mada.
Gaya MLA
Sutanto, .
"Indonesian Journal of Geography Vol. 29 No. 74 Desember 1997".
Desember 1997
Yogyakarta:
Universitas Gadjah Mada,
1997.
Text.