Cohn, R. Philosophical fragments in the works of Samuel Beckett: Ruby Cohn. Samuel Beckett : a collection of critical essays.(1965).
Chicago-referens (17:e uppl.)Cohn, Ruby. "Philosophical Fragments in the Works of Samuel Beckett: Ruby Cohn." Samuel Beckett : A Collection of Critical Essays.(1965) .
MLA-referens (8:e uppl.)Cohn, Ruby. "Philosophical Fragments in the Works of Samuel Beckett: Ruby Cohn." Samuel Beckett : A Collection of Critical Essays.(1965), .
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