Ley, R. J. (1964). The Marxist ethos of Bertolt Brecht and its relation to existentialism: A study of the writer in the scientific age. Univ. Microfilms.
Chicago-Zitierstil (17. Ausg.)Ley, Ralph J. The Marxist Ethos of Bertolt Brecht and Its Relation to Existentialism: A Study of the Writer in the Scientific Age. Ann Arbor, Mich: Univ. Microfilms, 1964.
MLA-Zitierstil (9. Ausg.)Ley, Ralph J. The Marxist Ethos of Bertolt Brecht and Its Relation to Existentialism: A Study of the Writer in the Scientific Age. Univ. Microfilms, 1964.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.