APA (7e ed.) Bronvermelding

Lally, J. (2015). Complete Global Perspectives For Cambridge IGCSE & O Level Second Edition (2nd.). Oxford University Press.

Chicago (17e ed.) Bronvermelding

Lally, Jo. Complete Global Perspectives For Cambridge IGCSE & O Level Second Edition. 2nd. UK: Oxford University Press, 2015.

MLA (9e ed.) Bronvermelding

Lally, Jo. Complete Global Perspectives For Cambridge IGCSE & O Level Second Edition. 2nd. Oxford University Press, 2015.