Gaya APA

Wirakusumah, A. et al (1997). Pyroclastic Flow Deposits Erupted By The 1815 Tambora : Distribution, Characteristic of The Deposits and Interpretation of The 1815 Eruption Mechanism . Bandung, Jawa Barat, Indonesia: Pusat Vulkanologi dan Mitigasi Bencana Geologi.

Gaya MLA

Wirakusumah, A.D. et al. "Pyroclastic Flow Deposits Erupted By The 1815 Tambora : Distribution, Characteristic of The Deposits and Interpretation of The 1815 Eruption Mechanism". Bandung, Jawa Barat, Indonesia: Pusat Vulkanologi dan Mitigasi Bencana Geologi, 1997. Text.