Sladen, M. (1996). A Family Affair: Mark Sladen on Richard Billingham's "Ray's a Laugh. frieze.
Lua i Stíl Chicago (17ú heag.)Sladen, Mark. "A Family Affair: Mark Sladen on Richard Billingham's "Ray's a Laugh." Frieze 1996.
Lua MLA (8ú heag.)Sladen, Mark. "A Family Affair: Mark Sladen on Richard Billingham's "Ray's a Laugh." Frieze, 1996.
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