Gaya APA
Oldfield, R.C, Marshall, J.C.. (1968).
Language .
England:
Penguin Books Ltd.
Gaya Chicago
Oldfield, R.C, Marshall, J.C..
Language.
England:
Penguin Books Ltd,
1968.
Text.
Gaya MLA
Oldfield, R.C, Marshall, J.C..
Language.
England:
Penguin Books Ltd,
1968.
Text.
Gaya Turabian
Oldfield, R.C, Marshall, J.C..
Language.
England:
Penguin Books Ltd,
1968.
Print.