APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.