ALFANDI, W. (2001). Epistemologi geografi. Gadjah Mada University Press.
Lua i Stíl Chicago (17ú heag.)ALFANDI, Widoyo. Epistemologi Geografi. Yogyakarta: Gadjah Mada University Press, 2001.
Lua MLA (9ú heag.)ALFANDI, Widoyo. Epistemologi Geografi. Gadjah Mada University Press, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.