Gaya APA
English in Focus for Grade IX Junior High School[(SMP/MTs)bse]. (2008).
Jakarta:
Pusat Perbukuan Departemen Pendidikan Nasional.
Gaya Chicago
English in Focus for Grade IX Junior High School[(SMP/MTs)bse].
2008.
Jakarta:
Pusat Perbukuan Departemen Pendidikan Nasional,
2008.
Text.
Gaya MLA
English in Focus for Grade IX Junior High School[(SMP/MTs)bse].
2008.
Jakarta:
Pusat Perbukuan Departemen Pendidikan Nasional,
2008.
Text.
Gaya Turabian
English in Focus for Grade IX Junior High School[(SMP/MTs)bse].
Jakarta:
Pusat Perbukuan Departemen Pendidikan Nasional,
2008.
Print.