Gaya APA

Mulyadi, E. et al (2010). Economics [3]: for Junior High School Year IX (Cet. 1.--). Jakarta: Yudhistira.

Gaya MLA

Mulyadi, Endang. et al. "Economics [3]: for Junior High School Year IX". Cet. 1.-- Jakarta: Yudhistira, 2010. Text.