Gaya APA

Tjetjep, D, I, W, S. (1986). Self Potential Investigations On Indonesia Volcanoes and Self Potential Monitoring On Merapi Volcano. . Bandung, Jawa Barat, Indonesia: Pusat Vulkanologi dan Mitigasi Bencana Geologi.

Gaya MLA

Tjetjep, Dr., Ir., Wimpy, S.. "Self Potential Investigations On Indonesia Volcanoes and Self Potential Monitoring On Merapi Volcano.". Bandung, Jawa Barat, Indonesia: Pusat Vulkanologi dan Mitigasi Bencana Geologi, 1986. Text.