"Byzantinische Zeitschrift", 74.1 (1981): 3-307. Retrieved 20 May. 2013, from http://www.degruyter.com/view/j/byzs.1981.74.issue-1/issue-files/byzs.1981.74.issue-1.xml

Byzantinische Zeitschrift (1981), 74(1), pp. 3-307. Retrieved 20 May. 2013, from http://www.degruyter.com/view/j/byzs.1981.74.issue-1/issue-files/byzs.1981.74.issue-1.xml

Byzantinische Zeitschrift. 1981. 74(1): 3-307. Retrieved 20 May. 2013, from http://www.degruyter.com/view/j/byzs.1981.74.issue-1/issue-files/byzs.1981.74.issue-1.xml