Jongh, K. D. (2011). Keith Sonnier: Light And Space. Flash Art.
Lua i Stíl Chicago (17ú heag.)Jongh, Karlyn De. "Keith Sonnier: Light And Space." Flash Art 2011.
Lua MLA (8ú heag.)Jongh, Karlyn De. "Keith Sonnier: Light And Space." Flash Art, 2011.
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