Gaya APA
Djatmika, . et al (2012).
Passport to the World 1: Grade VII of Junior High School .
Surakarta, Indonesia:
Penerbit Platinum.
Gaya MLA
Djatmika, . et al.
"Passport to the World 1: Grade VII of Junior High School".
Surakarta, Indonesia:
Penerbit Platinum,
2012.
Text.