APA Style
Umbas, M, F. (2008).
Sarundajang Di Balik World Ocean Conference 2009 .
Teling Manado:
Cv Minahasa Karsa Akara (Mika Publishing).
MLA Style
Umbas, Michael, F..
"Sarundajang Di Balik World Ocean Conference 2009".
Teling Manado:
Cv Minahasa Karsa Akara (Mika Publishing),
2008.
Text.