Gaya APA
Firman, Susan, Bosewitz, Rene. (1989).
Penguin studens' grammar of English exercises with answer .
Jakarta:
Gelatik .
Gaya Chicago
Firman, Susan, Bosewitz, Rene.
Penguin studens' grammar of English exercises with answer.
Jakarta:
Gelatik ,
1989.
Text.
Gaya MLA
Firman, Susan, Bosewitz, Rene.
Penguin studens' grammar of English exercises with answer.
Jakarta:
Gelatik ,
1989.
Text.
Gaya Turabian
Firman, Susan, Bosewitz, Rene.
Penguin studens' grammar of English exercises with answer.
Jakarta:
Gelatik ,
1989.
Print.