Cita APA

Gairns, R., & Redman, S. (2006). Natural english: Elementary student's book. Oxford: Oxford Univ. Press.

Chicago Style Citation

Gairns, Ruth, i Stuart Redman. Natural English: Elementary Student's Book. Oxford: Oxford Univ. Press, 2006.

Cita MLA

Gairns, Ruth, i Stuart Redman. Natural English: Elementary Student's Book. Oxford: Oxford Univ. Press, 2006.

Atenció: Aquestes cites poden no estar 100% correctes.