Gaya APA

Brown, H, D. (2001). Teaching By Principles an interactive approach to language pedagogy (Ed. 2, Cet. 1). United States of America: Addison Wesley Longman.

Gaya MLA

Brown, H., Douglas. "Teaching By Principles an interactive approach to language pedagogy". Ed. 2, Cet. 1 United States of America: Addison Wesley Longman, 2001. Book.