APA ציטוט

Swan, M. (2005). Practical english usage (3rd ed.). Oxford: Oxford Univ. Press.

Trích dẫn kiểu Chicago

Swan, Michael. Practical English Usage. 3rd ed. Oxford: Oxford Univ. Press, 2005.

ציטוט MLA

Swan, Michael. Practical English Usage. 3rd ed. Oxford: Oxford Univ. Press, 2005.