Христифор Лакапин — разлика између измена

* {{citation | title = Catalogue of the Byzantine Coins in the Dumbarton Oaks Collection and in the Whittemore Collection, vol. 3: Leo III to Nicephorus III, 717–1081 | publisher = Dumbarton Oaks | editor1-first = Philip |editor1-last=Grierson | editor2-first=Alfred Raymond | editor2-last=Bellinger |year=1973 |isbn = 978-0-88402-045-5|ref=harv}}

* {{citation | editor-first = Alexander | editor-last=Kazhdan | editor-link = Alexander Kazhdan | title = [[Oxford Dictionary of Byzantium]] | publisher = Oxford University Press |year=1991 |isbn = 978-0-19-504652-6|ref=harv}}

* {{citation | first = Steven | last=Runciman |authorlink = Steven Runciman | title = The Emperor Romanus Lecapenus and His Reign: A Study of Tenth-Century Byzantium | publisher = Cambridge University Press |year=1988 | origyear=1929 |isbn = 978-0-521-35722-7 | url = https://books.google.com/?id=XHVzWN6gqxQC|ref=harv}}