Nota dan rujukan Tasik Constance

Nota

Rujukan

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  2. 1 2 3 Federal Office of Topography – swisstopo. Bodensee (Peta). 1:500 000. National Map 1:500'000 (2014 ed.). Wabern, Switzerland. ISBN 978-3-302-00070-1. https://s.geo.admin.ch/790d045b60. Diperolehi 2018-02-28.
  3. 1 2 3 Landesamt für Geoinformation und Landentwicklung Baden-Württemberg (2017-12-20). Bodensee (Peta). 1:50 000. Stuttgart, Germany. https://www.geoportal-bw.de/?appCtx=d9736810-1d92-11e8-8756-43a314516c63. Diperolehi 2018-03-01.
  4. 1 2 Federal Office of Topography – swisstopo (2008). Bodensee (Peta). 1:100 000. National Map 1:100'000 (2010 ed.). Wabern, Switzerland. ISBN 978-3-302-00028-2. https://s.geo.admin.ch/790d045b60. Diperolehi 2018-02-28.
  5. 1 2 Federal Office of Topography – swisstopo (2008). Lindau (Peta). 1:100 000. National Map 1:100'000 (2010 ed.). Wabern, Switzerland. ISBN 978-3-302-10028-9. https://s.geo.admin.ch/790d4eab9d. Diperolehi 2018-02-28.