Gaya APA
BIBER, Douglas. (2004).
Longman Grammar of spoken and written English .
London:
Pearson Education.
Gaya Chicago
BIBER, Douglas.
Longman Grammar of spoken and written English.
London:
Pearson Education,
2004.
Text.
Gaya MLA
BIBER, Douglas.
Longman Grammar of spoken and written English.
London:
Pearson Education,
2004.
Text.
Gaya Turabian
BIBER, Douglas.
Longman Grammar of spoken and written English.
London:
Pearson Education,
2004.
Print.