Gaya APA
CRYSTAL, Dvid. (1973).
Linguistics .
London:
Penguin Books.
Gaya Chicago
CRYSTAL, Dvid.
Linguistics.
London:
Penguin Books,
1973.
Text.
Gaya MLA
CRYSTAL, Dvid.
Linguistics.
London:
Penguin Books,
1973.
Text.
Gaya Turabian
CRYSTAL, Dvid.
Linguistics.
London:
Penguin Books,
1973.
Print.