Osborne, J. (1978). Look back in anger: A play in three acts. Faber and Faber.
Lua i Stíl Chicago (17ú heag.)Osborne, John. Look Back in Anger: A Play in Three Acts. Faber and Faber, 1978.
Lua MLA (9ú heag.)Osborne, John. Look Back in Anger: A Play in Three Acts. Faber and Faber, 1978.
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