Gaya APA
Brown, H, D. (2001).
Teaching by principles: an interactive approach to language pedagogy (2nd Ed.).
New York:
Addison Wesley Longman Inc..
Gaya MLA
Brown, H., Douglas.
"Teaching by principles: an interactive approach to language pedagogy".
2nd Ed.
New York:
Addison Wesley Longman Inc.,
2001.
Text.