Gaya APA
Kosim, ., H.N, E, E. (2011).
Learning More Economics 2 for Grade VIII Junior High School .
Bandung:
Grafindo media pratama.
Gaya MLA
Kosim, ., H.N, Euis, Emma.
"Learning More Economics 2 for Grade VIII Junior High School".
Bandung:
Grafindo media pratama,
2011.
Text.