Gaya APA
BROWN, H, D.
(2000).
PRINCIPLES OF LANGUAGE LEARNING AND TEACHING: FOURTH EDITION
.
NEW YORK:
LONGMAN INC..
Gaya MLA
BROWN, H., DOUGLAS.
"PRINCIPLES OF LANGUAGE LEARNING AND TEACHING: FOURTH EDITION".
NEW YORK:
LONGMAN INC.,
2000.
Text.