Gaya APA

Kemmerling, G. (1921). The Outbursts of The G.Kelut in The Night of May 19th to 20th, 1919 . Bandung, Jawa Barat, Indonesia: Pusat Vulkanologi dan Mitigasi Bencana Geologi, Badan Geologi.

Gaya MLA

Kemmerling, G.L.L. "The Outbursts of The G.Kelut in The Night of May 19th to 20th, 1919". Bandung, Jawa Barat, Indonesia: Pusat Vulkanologi dan Mitigasi Bencana Geologi, Badan Geologi, 1921. Text.