APA Citatie

Swan, M., & Walter, C. (1997). How english works: A grammar practice book with answers. Oxford: Oxford Univ. Press.

Chicago Style citaat

Swan, Michael, en Catherine Walter. How English Works: A Grammar Practice Book With Answers. Oxford: Oxford Univ. Press, 1997.

MLA citatie

Swan, Michael, en Catherine Walter. How English Works: A Grammar Practice Book With Answers. Oxford: Oxford Univ. Press, 1997.

Let op: Deze citaties zijn niet altijd 100% accuraat.