Schoof, Dick (28 October 2000). "Hollands Dagboek: Dick Schoof" [Dutch diary: Dick Schoof]. NRC (in Dutch). Archived from the original on 5 June 2024. Retrieved 5 June 2024.
Schoof, Dick (28 October 2000). "Hollands Dagboek: Dick Schoof" [Dutch diary: Dick Schoof]. NRC (in Dutch). Archived from the original on 5 June 2024. Retrieved 5 June 2024.