APA Style
English On Sky 3 For Junior High School Students Year IX. (2007).
Jakarta:
Erlangga.
Chicago Style
English On Sky 3 For Junior High School Students Year IX.
.
Jakarta:
Erlangga,
2007.
Text.
MLA Style
English On Sky 3 For Junior High School Students Year IX.
.
Jakarta:
Erlangga,
2007.
Text.
Turabian Style
English On Sky 3 For Junior High School Students Year IX.
Jakarta:
Erlangga,
2007.
Print.