Gaya APA

ENGLISH IN FOCUS 1 BSE FOR GRADE VII JUNIOR HIGH SCHOOL (SMP/MTs). (2008). Jakarta: Pusat Perbukuan Departemen Pendidikan Nasional.

Gaya MLA

ENGLISH IN FOCUS 1 BSE FOR GRADE VII JUNIOR HIGH SCHOOL (SMP/MTs). Ed. - Cet. -. Jakarta: Pusat Perbukuan Departemen Pendidikan Nasional, 2008. Text.