Antonio Pacheco (2020-01-24). Adolfo Natalini, co-founder of Superstudio, has passed away at age 78 (in en). archinect.com. Retrieved on 2020-02-18.Name ok, no license, "Image courtesy of Wikimedia"
JOAN MARSET (2020-01-27). Adolfo Natalini co-fundador de Superstudio muere a los 78 (in es). metalocus.es. Retrieved on 2020-02-18.Name ok, no license, "Wikimedia"