Brown, H. Douglas Teaching by principles : an interactive approach to language pedagogy / H. Douglas Brown - 3rd ed. - White Plains NY : Pearson Education, c2007. - xvii, 569 p. : 23 cm. ISBN: 9780136127116 LCCN: Subjects--Topical Terms: Language and languagesStudy and teaching LC Class. No.: P51 / .B7754 2007