"College van B&W" [Board of mayor and aldermen] (به هلندی). Gemeente Zuidplas. Archived from the original on 13 August 2013. Retrieved 31 August 2013.
"Laagste punt van Nederland" [Lowest point of the Netherlands] (به هلندی). Gemeente Zuidplas. Archived from the original on 12 September 2013. Retrieved 31 August 2013.
"College van B&W" [Board of mayor and aldermen] (به هلندی). Gemeente Zuidplas. Archived from the original on 13 August 2013. Retrieved 31 August 2013.
"Laagste punt van Nederland" [Lowest point of the Netherlands] (به هلندی). Gemeente Zuidplas. Archived from the original on 12 September 2013. Retrieved 31 August 2013.