ISBN 978-0691153216. Holmes, Catherine. BasilII. De Imperatoribus Romanis. 1 April 2003 [9 July 2018]. Holmes, Catherine. BasilII and the Governance of Empire
[2020-07-09]. ISBN 1-85728-495-X. (原始内容存档于2020-06-25). Holmes, Catherine. BasilII and the Governance of Empire (976–1025). Oxford: Oxford University Press