APA (7e ed.) Bronvermelding
Irvine, M. (1999). Commercially Speaking. Workbook (1a. ed.). Oxford University Press.
Chicago (17e ed.) Bronvermelding
Irvine, Mark. Commercially Speaking. Workbook. 1a. ed. Buenos Aires: Oxford University Press, 1999.
MLA (9e ed.) Bronvermelding
Irvine, Mark. Commercially Speaking. Workbook. 1a. ed. Oxford University Press, 1999.
Let op: Deze citaties zijn niet altijd 100% accuraat.