Cage, J., & MacEvilley, T. (1992). In the Form of a Thistle: A Conversation Between John Cage And Thomas McEvilley. Artforum.
Lua i Stíl Chicago (17ú heag.)Cage, John, agus Thomas MacEvilley. "In the Form of a Thistle: A Conversation Between John Cage And Thomas McEvilley." Artforum 1992.
Lua MLA (8ú heag.)Cage, John, agus Thomas MacEvilley. "In the Form of a Thistle: A Conversation Between John Cage And Thomas McEvilley." Artforum, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.