Dokąd zmierza świat : 100 map na nastepne 100 lat / Ian Goldin, Robert Muggah. - Warszawa, copyright © 2022.. Ilustracje cyfrowe; (Project Manager, CREATE Lab)

ABC Create, 15.12.2022 http://www.abccreate.org/ryan-hoffman.html

LInkedin, 15.12.2022 https://www.linkedin.com/in/ryan-hoffman-64789741?original_referer=https%3A%2F%2Fwww.google.com%2F

Carnegie Mellon University, The Robotics Institute, 15.12.2022 https://www.ri.cmu.edu/ri-people/ryan-a-hoffman/