Gaya APA

Wahyudin, D. (2003). Some Possible Forms Of Renewed Volcanism of Semeru Volcano East Java Based On Prehistoric and Historical Records . Bandung, Jawa Barat, Indonesia: Pusat Vulkanologi dan Mitigasi Bencana Geologi.

Gaya MLA

Wahyudin, Deden. "Some Possible Forms Of Renewed Volcanism of Semeru Volcano East Java Based On Prehistoric and Historical Records". Bandung, Jawa Barat, Indonesia: Pusat Vulkanologi dan Mitigasi Bencana Geologi, 2003. Text.