Gaya APA

Priyana, J. et al (2008). Interlanguage : English for Senior High School Students XI . : Pusat Perbukuan Departemen Pendidikan Nasional.

Gaya MLA

Priyana, Joko. et al. "Interlanguage : English for Senior High School Students XI". : Pusat Perbukuan Departemen Pendidikan Nasional, 2008. Text.