Frenz, H. Eugene O'Neill and the European Collection: Horst Frenz. Literary communication and reception.(1980).
Chicago-viite (17. p.)Frenz, Horst. "Eugene O'Neill and the European Collection: Horst Frenz." Literary Communication and Reception.(1980) .
MLA-viite (8. p.)Frenz, Horst. "Eugene O'Neill and the European Collection: Horst Frenz." Literary Communication and Reception.(1980), .
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