Gaya APA
Collins cobuild English language dictionary. (1987).
London:
Collins.
Gaya Chicago
Collins cobuild English language dictionary.
.
London:
Collins,
1987.
Buku.
Gaya MLA
Collins cobuild English language dictionary.
.
London:
Collins,
1987.
Buku.
Gaya Turabian
Collins cobuild English language dictionary.
London:
Collins,
1987.
Buku.