Gaya APA

Hehuwat, F., Hehanussa, P. (1981). Development Scenarios for the Krakatau and Sunda Strait Region - Required inputs from Scientific Research . Jakarta, Indonesia: Pusat Vulkanologi dan Mitigasi Bencana Geologi.

Gaya MLA

Hehuwat, F.., Hehanussa, P.E.. "Development Scenarios for the Krakatau and Sunda Strait Region - Required inputs from Scientific Research". Jakarta, Indonesia: Pusat Vulkanologi dan Mitigasi Bencana Geologi, 1981. Text.