Gaya APA

Seismological Bulletin Ser. 2 Vol. 8 No. 1,2 January - June 1980. (). Japan: The Seismological Obsevatory.

Gaya MLA

Seismological Bulletin Ser. 2 Vol. 8 No. 1,2 January - June 1980. . Japan: The Seismological Obsevatory, . .