Gaya APA
Asrurifak, M. (2007).
USGS Software for Probabilistic Seismic Hazard Analysis (PSHA) .
Bandung:
Institut Teknologi Bandung.
Gaya MLA
Asrurifak, M.
"USGS Software for Probabilistic Seismic Hazard Analysis (PSHA)".
Bandung:
Institut Teknologi Bandung,
2007.
Text.