Evans, W., & Ruttenberg, D. C. (1987). Walker Evans: Leaving things as they are : the promised gift of Mr. and Mrs. David C. Ruttenberg to the Art Institute of Chicago. Art Institute.
Lua i Stíl Chicago (17ú heag.)Evans, Walker, agus David C. Ruttenberg. Walker Evans: Leaving Things as They Are : The Promised Gift of Mr. and Mrs. David C. Ruttenberg to the Art Institute of Chicago. Chicago: Art Institute, 1987.
Lua MLA (8ú heag.)Evans, Walker, agus David C. Ruttenberg. Walker Evans: Leaving Things as They Are : The Promised Gift of Mr. and Mrs. David C. Ruttenberg to the Art Institute of Chicago. Art Institute, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.