Gairns, R., & Redman, S. (2002). Natural english: Intermediate teacher's book. Oxford: Oxford Univ. Press.
Trích dẫn kiểu ChicagoGairns, Ruth, và Stuart Redman. Natural English: Intermediate Teacher's Book. Oxford: Oxford Univ. Press, 2002.
MLA引文Gairns, Ruth, và Stuart Redman. Natural English: Intermediate Teacher's Book. Oxford: Oxford Univ. Press, 2002.
警告:这些引文格式不一定是100%准确.