Gaya APA
Laboratory Exercise in Enviromental Geology. (1998).
Bandung:
[s.n.].
Gaya Chicago
Laboratory Exercise in Enviromental Geology.
second.
Bandung:
[s.n.],
1998.
Text.
Gaya MLA
Laboratory Exercise in Enviromental Geology.
second.
Bandung:
[s.n.],
1998.
Text.
Gaya Turabian
Laboratory Exercise in Enviromental Geology.
Bandung:
[s.n.],
1998.
Print.