APA Style
English On Sky 2 For Junior High School Student. (2004).
Jakarta:
Erlangga.
Chicago Style
English On Sky 2 For Junior High School Student.
.
Jakarta:
Erlangga,
2004.
Buku.
MLA Style
English On Sky 2 For Junior High School Student.
.
Jakarta:
Erlangga,
2004.
Buku.
Turabian Style
English On Sky 2 For Junior High School Student.
Jakarta:
Erlangga,
2004.
Buku.