Rahn, J. (2002). Painting without permission: Hip-hop graffiti subculture. Bergin & Garvey.
Lua i Stíl Chicago (17ú heag.)Rahn, Janice. Painting Without Permission: Hip-hop Graffiti Subculture. Westport, Conn.: Bergin & Garvey, 2002.
Lua MLA (9ú heag.)Rahn, Janice. Painting Without Permission: Hip-hop Graffiti Subculture. Bergin & Garvey, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.