Cita APA

Swan, M., & Walter, C. (2011). Oxford english grammar course: Intermediate : a grammar practice book for intermediate and upper-intermediate students of english (First published.). Oxford: Oxford University Press.

Citación estilo Chicago

Swan, Michael,, y Catherine Walter. Oxford English Grammar Course: Intermediate : A Grammar Practice Book for Intermediate and Upper-intermediate Students of English. First published. Oxford: Oxford University Press, 2011.

Cita MLA

Swan, Michael,, y Catherine Walter. Oxford English Grammar Course: Intermediate : A Grammar Practice Book for Intermediate and Upper-intermediate Students of English. First published. Oxford: Oxford University Press, 2011.