Salter, Mark; Bousfield, Jonathan (2002). Rough guide to Poland (book). London, England: Rough Guides. s. 249-250. ISBN1-85828-849-5. Hentet 30. september 2010.
poland.gov.pl
"Experience Poland: Flora". Ministry of Foreign Affairs, Republic of Poland. 2008. Arkiveret fra originalen(webpage) 12. maj 2009. Hentet 30. september 2010.
Mazurski Park Krajobrazowy, Poland (2005). "Łuknajno Lake: UNESCO biosphere reserve description"(webpage). Biosphere Reserve Information, Poland. UNESCO, United Nations Educational, Scientific and Cultural Organization. Hentet 30. september 2010.
web.archive.org
"Experience Poland: Flora". Ministry of Foreign Affairs, Republic of Poland. 2008. Arkiveret fra originalen(webpage) 12. maj 2009. Hentet 30. september 2010.