Cita APA

Gairns, R., & Redman, S. (2005). Natural english: Pre - Intermediate teacher's book. Oxford: Oxford Univ. Press.

Chicago Style Citation

Gairns, Ruth, i Stuart Redman. Natural English: Pre - Intermediate Teacher's Book. Oxford: Oxford Univ. Press, 2005.

Cita MLA

Gairns, Ruth, i Stuart Redman. Natural English: Pre - Intermediate Teacher's Book. Oxford: Oxford Univ. Press, 2005.

Atenció: Aquestes cites poden no estar 100% correctes.