APA (7e ed.) Bronvermelding

Swan, M. (2005). Practical English usage (3rd ed, International student's ed.). Oxford University Press.

Chicago (17e ed.) Bronvermelding

Swan, Michael. Practical English Usage. 3rd ed, International student's ed. Oxford: Oxford University Press, 2005.

MLA (9e ed.) Bronvermelding

Swan, Michael. Practical English Usage. 3rd ed, International student's ed. Oxford University Press, 2005.