Larsen-Freeman, D., Campbell, R. N., & Rutherford, W. E. (2000). Techniques and principles in language teaching (Second edition.). Oxford University Press.

Larsen-Freeman, Diane, Russell N. Campbell, and William E. Rutherford. Techniques and Principles in Language Teaching. Second edition. New York, N.Y., USA: Oxford University Press, 2000.

Larsen-Freeman, Diane, et al. Techniques and Principles in Language Teaching. Second edition. Oxford University Press, 2000.