APA (7e ed.) Bronvermelding
Swan, M. (2016). Practical english usage (4th ed.). Oxford University Press.
Chicago (17e ed.) Bronvermelding
Swan, Michael. Practical English Usage. 4th ed. United Kingdom: Oxford University Press, 2016.
MLA (9e ed.) Bronvermelding
Swan, Michael. Practical English Usage. 4th ed. Oxford University Press, 2016.
Let op: Deze citaties zijn niet altijd 100% accuraat.