Παραπομπή APA

Ketelbey, C. (1965). History of Modern Times. Oxford University.

Παραπομπή Chicago Style

Ketelbey, C.D.M. History of Modern Times. London: Oxford University, 1965.

Παραπομπή MLA

Ketelbey, C.D.M. History of Modern Times. Oxford University, 1965.