APA Style
ALLSOP, Jake. (1989).
Penguin English Tests Book 1 .
Jakarta:
Gelatik.
Chicago Style
ALLSOP, Jake.
Penguin English Tests Book 1.
Jakarta:
Gelatik,
1989.
Text.
MLA Style
ALLSOP, Jake.
Penguin English Tests Book 1.
Jakarta:
Gelatik,
1989.
Text.
Turabian Style
ALLSOP, Jake.
Penguin English Tests Book 1.
Jakarta:
Gelatik,
1989.
Print.