APA ציטוט

Swan, M., & Michael Swan; Catherine Walter. (1997). How English works: A grammar practice book, with answers. Oxford: Oxford University Press.

Trích dẫn kiểu Chicago

Swan, Michael, và Michael Swan; Catherine Walter. How English Works: A Grammar Practice Book, With Answers. Oxford: Oxford University Press, 1997.

ציטוט MLA

Swan, Michael, và Michael Swan; Catherine Walter. How English Works: A Grammar Practice Book, With Answers. Oxford: Oxford University Press, 1997.