APA (7e ed.) Bronvermelding

Richards, J. C. (1996). Interchange 1: Workbook. Cambridge University Press.

Chicago (17e ed.) Bronvermelding

Richards, Jack C. Interchange 1: Workbook. Cambridge, Reino Unido: Cambridge University Press, 1996.

MLA (9e ed.) Bronvermelding

Richards, Jack C. Interchange 1: Workbook. Cambridge University Press, 1996.