Verstappen, H. T. (2014). Garis besar geomorfologi Indonesia. Gadjah Mada University Press.
Chicago Style (17th ed.) CitationVerstappen, Herman Th. Garis Besar Geomorfologi Indonesia. Gadjah Mada University Press, 2014.
MLA (8th ed.) CitationVerstappen, Herman Th. Garis Besar Geomorfologi Indonesia. Gadjah Mada University Press, 2014.
Warning: These citations may not always be 100% accurate.