Gaya APA
Leech, Geoffrey, Cruickshank, Benita, Ivanik, Roz. (1989).
A-Z of english grammar and usage .
England:
Longman Corpus Network.
Gaya Chicago
Leech, Geoffrey, Cruickshank, Benita, Ivanik, Roz.
A-Z of english grammar and usage.
England:
Longman Corpus Network,
1989.
Text.
Gaya MLA
Leech, Geoffrey, Cruickshank, Benita, Ivanik, Roz.
A-Z of english grammar and usage.
England:
Longman Corpus Network,
1989.
Text.
Gaya Turabian
Leech, Geoffrey, Cruickshank, Benita, Ivanik, Roz.
A-Z of english grammar and usage.
England:
Longman Corpus Network,
1989.
Print.