Ure, P. N. (1951). Justinian and his age. Penguin Books.
Chicago-Zitierstil (17. Ausg.)Ure, Percy Neville. Justinian and His Age. Harmondsworth: Penguin Books, 1951.
MLA-Zitierstil (8. Ausg.)Ure, Percy Neville. Justinian and His Age. Penguin Books, 1951.
警告：这些引文格式不一定是100％准确.