Gaya APA

Abasi, S, H. (1996). Lahar Behaviour of Merapi Volcano and Its Associated Effects on The Environment Between Krasak and Boyong Rivers In Sleman District . Yogyakarta: Universitas Gadjah Mada.

Gaya MLA

Abasi, Sebijjo, Hassan. "Lahar Behaviour of Merapi Volcano and Its Associated Effects on The Environment Between Krasak and Boyong Rivers In Sleman District". Yogyakarta: Universitas Gadjah Mada, 1996. Text.