APA Style
Budiarto, Eka. (1999).
Environmental Geology 2ed. (NULL).
:
.
Chicago Style
Budiarto, Eka.
Environmental Geology 2ed..
NULL
:
,
1999.
Text.
MLA Style
Budiarto, Eka.
Environmental Geology 2ed..
NULL
:
,
1999.
Text.
Turabian Style
Budiarto, Eka.
Environmental Geology 2ed..
NULL
:
,
1999.
Print.