Gaya APA
Suwarna, N.
(2017).
Indonesian Journal On Geoscience : Vol. 4 No. 1, April 2017
.
Bandung:
Geological Agency.
Gaya MLA
Suwarna, Nana.
"Indonesian Journal On Geoscience : Vol. 4 No. 1, April 2017".
Bandung:
Geological Agency,
2017.
Text.