"Byzantinische Zeitschrift", 50.2 (1957): 307-598. Retrieved 21 May. 2013, from http://www.degruyter.com/view/j/byzs.1957.50.issue-2/issue-files/byzs.1957.50.issue-2.xml

Byzantinische Zeitschrift (1957), 50(2), pp. 307-598. Retrieved 21 May. 2013, from http://www.degruyter.com/view/j/byzs.1957.50.issue-2/issue-files/byzs.1957.50.issue-2.xml

Byzantinische Zeitschrift. 1957. 50(2): 307-598. Retrieved 21 May. 2013, from http://www.degruyter.com/view/j/byzs.1957.50.issue-2/issue-files/byzs.1957.50.issue-2.xml