Larsen-Freeman, D., Campbell, R. N., & Rutherford, W. E. (2000). Techniques and principles in language teaching (Second edition.). Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Larsen-Freeman, Diane, Russell N. Campbell, agus William E. Rutherford. Techniques and Principles in Language Teaching. Second edition. New York, N.Y., USA: Oxford University Press, 2000.
Lua MLA (8ú heag.)Larsen-Freeman, Diane, et al. Techniques and Principles in Language Teaching. Second edition. Oxford University Press, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.