Critchley, S. Is humour human?: Simon Critchley. Animality.(2011).
Lua i Stíl Chicago (17ú heag.)Critchley, Simon. "Is Humour Human?: Simon Critchley." Animality.(2011) .
Lua MLA (8ú heag.)Critchley, Simon. "Is Humour Human?: Simon Critchley." Animality.(2011), .
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