Vaillant, A. (1998). Scratch-Pet-Land activities: John Cage. Das Kunst-Bulletin.
Cita Chicago (17th ed.)Vaillant, Alexis. "Scratch-Pet-Land Activities: John Cage." Das Kunst-Bulletin 1998.
Cita MLA (8th ed.)Vaillant, Alexis. "Scratch-Pet-Land Activities: John Cage." Das Kunst-Bulletin, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.