Gaya APA

Bulletin of the Geological Survey of Japan Vol. 49 No.7 July 1998. (). Bandung, Jawa Barat, Indonesia: Geological survey of Japan.

Gaya MLA

Bulletin of the Geological Survey of Japan Vol. 49 No.7 July 1998. . Bandung, Jawa Barat, Indonesia: Geological survey of Japan, . .