Gaya APA
Udias, A. et al (2014).
Source Mechanisms Of Earthquakes : Theory And Practice .
UNITED KINGDOM:
Cambrigde University Press.
Gaya MLA
Udias, Agustin. et al.
"Source Mechanisms Of Earthquakes : Theory And Practice".
UNITED KINGDOM:
Cambrigde University Press,
2014.
Buku.