Johnson, E. H. (1982). American artists on art from 1940 to 1980. Harper and Row.
Lua i Stíl Chicago (17ú heag.)Johnson, Ellen H. American Artists on Art from 1940 to 1980. New York: Harper and Row, 1982.
Lua MLA (9ú heag.)Johnson, Ellen H. American Artists on Art from 1940 to 1980. Harper and Row, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.