APA (7th ed.) Zitazioa
Lyons, C. R. Bertolt Brecht: The Despair and the Polemic. Southern Illinois University.
Chicago Style (17th ed.) Zitazioa
Lyons, Charles R. Bertolt Brecht: The Despair and the Polemic. Carbondale, EUA: Southern Illinois University.
MLA (9th ed.) Zitazioa
Lyons, Charles R. Bertolt Brecht: The Despair and the Polemic. Southern Illinois University.
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