Gaya APA

Rum, G, S. (2015). Aspek Sosial Banjir Lahar . Yogyakarta ; Indonesia: Gadjah Mada University Press.

Gaya MLA

Rum, Giyarsih., Sri. "Aspek Sosial Banjir Lahar". Yogyakarta ; Indonesia: Gadjah Mada University Press, 2015. Textbook.