"Burgemeester Rik Buddenberg" [Mayor Rik Buddenberg] (به هلندی). Gemeente Pijnacker-Nootdorp. Archived from the original on 7 January 2013. Retrieved 18 August 2013.
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"Burgemeester Rik Buddenberg" [Mayor Rik Buddenberg] (به هلندی). Gemeente Pijnacker-Nootdorp. Archived from the original on 7 January 2013. Retrieved 18 August 2013.