The Lakes Region. Poland. ABDO Publishing. 2013: 28 [2021-07-19]. ISBN 978-1-61480-877-0. (原始内容存档于2019-12-16). Insert: Poland is home to 9,300 lakes. Finland
New Times (II) 2010. Kanyesigye 2010. Human Rights Watch (II) 2010. GreatLakes Voice 2010. Al Jazeera (I) 2010. Beaumont 2010. BBC News (XI) 2010. National