Brown, H. D. (2007). Principles of language learning and teaching (5th ed.). Pearson Longman.
Cita Chicago (17th ed.)Brown, H. Douglas. Principles of Language Learning and Teaching. 5th ed. White Plains, NY: Pearson Longman, 2007.
Cita MLA (8th ed.)Brown, H. Douglas. Principles of Language Learning and Teaching. 5th ed. Pearson Longman, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.