Gaya APA
Suwarna, N.
(2014).
Indonesian Journal On Geoscience : Vol. 1 No. 1, April 2014
.
Bandung:
Geological Agency.
Gaya MLA
Suwarna, Nana.
"Indonesian Journal On Geoscience : Vol. 1 No. 1, April 2014".
Bandung:
Geological Agency,
2014.
Text.