APA (7e ed.) Bronvermelding

Robson, W. (1995). The twentieth-century world. Oxford University Press.

Chicago (17e ed.) Bronvermelding

Robson, Walter. The Twentieth-century World. Oxford: Oxford University Press, 1995.

MLA (9e ed.) Bronvermelding

Robson, Walter. The Twentieth-century World. Oxford University Press, 1995.