-. (2002). Jurnal Geofisika. Himpunan Ahli Geofisika Indonesia (HAGI).
Chicago Style (17th ed.) Citation-. Jurnal Geofisika. Himpunan Ahli Geofisika Indonesia (HAGI), 2002.
MLA (8th ed.) Citation-. Jurnal Geofisika. Himpunan Ahli Geofisika Indonesia (HAGI), 2002.
Warning: These citations may not always be 100% accurate.