Quellenangaben
- Phonebloks von Dave Hakkens (https://www.youtube.com/watch?v=oDAw7vW7H0c), lizenziert unter CC BY-NC 3.0 (http://creativecommons.org/licenses/by-nc/3.0/)
- Bell in the pool at the 2000 Sydney Paralympics von Sport the library (http://en.wikipedia.org/wiki/Daniel_Bell_(Australian_swimmer)#/media/File:231000_-_Swimming_Daniel_Bell_reflections_action_-_3b_-_2000_Sydney_event_photo.jpg), lizenziert unter CC BY-SA 2.0