(en) Shahab Zargari, Ryan Brunty, Ryan Davis, « SDCC 2013 Press Roundtable Interview Series: Uncle Grandpa, Clarence, and Steven Universe » [Audiovisual work], Verbicide Magazine, (consulté le ) : « [Steven Universe, 1:58–2:06] I've always loved working with my friends on comics, and growing up, I did a lot of comics, and me and my brother together, we would do a lot of comics ... ».
washingtonpost.com
(en) Michael Cavna, « 'Steven Universe' creator Rebecca Sugar is a Cartoon Network trailblazer », The Washington Post, (lire en ligne).