Gaya APA

Wardiman, A. et al (2008). English in Focus 3 : for Grade IX (2008) (Edisi 1). Jakarta: Depdiknas.

Gaya MLA

Wardiman, Artono. et al. "English in Focus 3 : for Grade IX (2008)". Edisi 1 Jakarta: Depdiknas, 2008. Text.