APA Edition Citation

Swan, M. (2012). Practical English usage (3rd ed.). Oxford university Press.

Chicago Edition Citation

Swan, Michael. Practical English Usage. 3rd ed. New Delhi: Oxford university Press, 2012.

MLA Edition Citation

Swan, Michael. Practical English Usage. 3rd ed. Oxford university Press, 2012.

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.