Gaya APA
W.J.McCourt, . et al (1993).
The Geological Evolution of Southern Sumatra .
Bandung:
Pusat Sumber Daya Geologi.
Gaya MLA
W.J.McCourt, . et al.
"The Geological Evolution of Southern Sumatra".
Bandung:
Pusat Sumber Daya Geologi,
1993.
Geokimia.