Gaya APA
Coastline Change Surround Sekampung River Estuary Estimated by Geographic Information System . (2011).
Lampung:
Universitas Negeri Lampung.
Gaya MLA
Coastline Change Surround Sekampung River Estuary Estimated by Geographic Information System .
.
Lampung:
Universitas Negeri Lampung,
2011.
Artikel.