Ruffini, E. E., & Knapp, H. E. (1944). New art education: Art -- for you, your school, home and community. American Crayon Co. ; Practical Drawing Co..
Lua i Stíl Chicago (17ú heag.)Ruffini, Elise Erna, agus Harriet Elizabeth Knapp. New Art Education: Art -- for You, Your School, Home and Community. Sandusky, Ohio : Dallas, Tex.: American Crayon Co. ; Practical Drawing Co., 1944.
Lua MLA (8ú heag.)Ruffini, Elise Erna, agus Harriet Elizabeth Knapp. New Art Education: Art -- for You, Your School, Home and Community. American Crayon Co. ; Practical Drawing Co., 1944.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.