Gaya APA
Allsop, Jake. (1991).
Penguin English test .
Jakarta:
Gelatik.
Gaya Chicago
Allsop, Jake.
Penguin English test.
Jakarta:
Gelatik,
1991.
Text.
Gaya MLA
Allsop, Jake.
Penguin English test.
Jakarta:
Gelatik,
1991.
Text.
Gaya Turabian
Allsop, Jake.
Penguin English test.
Jakarta:
Gelatik,
1991.
Print.