Albrecht, Christian and Wilke, Thomas: Ancient Lake Ohrid: biodiversity and evolution; in Patterns and Processes of Speciation in Ancient Lakes, Developments in Hydrobiology, Springer Netherlands, 2009, pp 103 to 140.
Truy cập ngày 3 tháng 6 năm 2017.  ^ Albrecht, Christian and Wilke, Thomas: Ancient Lake Ohrid: biodiversity and evolution; in Patterns and Processes of Speciation in Ancient Lakes, Developments in Hydrobiology, Springer Netherlands, 2009, pp 103 to 140.