Gaya APA

Sumi, K. (1968). Hydrothermal rock alteration of the Matsukawa geothermal Area Notheast Japan . Hisamoto, japan: Geologial Survay of Japan.

Gaya MLA

Sumi, Kiyoshi. "Hydrothermal rock alteration of the Matsukawa geothermal Area Notheast Japan". Hisamoto, japan: Geologial Survay of Japan, 1968. Panas Bumi.