Gaya APA

Rujiati, S, W. (1983). An Eye - Witness Account on the Eruption of The Mountain Krakatau in The form of a Syair . Jakarta, Indonesia: Pusat Vulkanologi dan Mitigasi Bencana Geologi.

Gaya MLA

Rujiati, S., W,. "An Eye - Witness Account on the Eruption of The Mountain Krakatau in The form of a Syair". Jakarta, Indonesia: Pusat Vulkanologi dan Mitigasi Bencana Geologi, 1983. Text.