Gaya APA

Kosim, ., Euis, E, H. (2014). Learning More Economics 3 for Grade IX Junior High School . Bandung: Grafindo Media pratama.

Gaya MLA

Kosim, ., Euis, Emma, H.N,. "Learning More Economics 3 for Grade IX Junior High School". Bandung: Grafindo Media pratama, 2014. Text.