Cita APA

Swan, M., & Walter, C. (2001). The good grammar book: A grammar practice book for elementary to lower-intermediate students of English : with answers. Oxford: Oxford University Press.

Citación estilo Chicago

Swan, Michael, and Catherine Walter. The Good Grammar Book: A Grammar Practice Book for Elementary to Lower-intermediate Students of English : With Answers. Oxford: Oxford University Press, 2001.

Cita MLA

Swan, Michael, and Catherine Walter. The Good Grammar Book: A Grammar Practice Book for Elementary to Lower-intermediate Students of English : With Answers. Oxford: Oxford University Press, 2001.