Gaya APA

Ph.D, J, P. et al (2008). Interlanguage : english for Senior High School Student XI language study programme (Cet.1). Jakarta: Pusat Perbukuan Departemen Pendidikan Nasional.

Gaya MLA

Ph.D, Joko, Priyana. et al. "Interlanguage : english for Senior High School Student XI language study programme". Cet.1 Jakarta: Pusat Perbukuan Departemen Pendidikan Nasional, 2008. Text.