APA Style
Kosim, ., H.N, E, E.
(2011).
Economics 3 for Grade IX JHS
(
First Edition)
.
Jakarta:
Grafindo.
MLA Style
Kosim, ., H.N, Euis, Emma.
"Economics 3 for Grade IX JHS".
First Edition
Jakarta:
Grafindo,
2011.
Text.