Werner, A. (1952). Maurice Utrillo. Harry N Abrams.
Lua i Stíl Chicago (17ú heag.)Werner, Alfred. Maurice Utrillo. New York: Harry N Abrams, 1952.
Lua MLA (9ú heag.)Werner, Alfred. Maurice Utrillo. Harry N Abrams, 1952.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.