Lethen, H. Modernism Cut in Half: The Exclusion of the Avant-garde and the Debate on Postmodernism / Helmut Lethen. Approaching postmodernism : papers presented at a workshop on postmodernism, 21-23 September 1984, University of Utrecht.(1986).
Cytowanie według stylu Chicago (wyd. 17)Lethen, Helmut. "Modernism Cut in Half: The Exclusion of the Avant-garde and the Debate on Postmodernism / Helmut Lethen." Approaching Postmodernism : Papers Presented at a Workshop on Postmodernism, 21-23 September 1984, University of Utrecht.(1986) .
Cytowanie według stylu MLA (wyd. 8)Lethen, Helmut. "Modernism Cut in Half: The Exclusion of the Avant-garde and the Debate on Postmodernism / Helmut Lethen." Approaching Postmodernism : Papers Presented at a Workshop on Postmodernism, 21-23 September 1984, University of Utrecht.(1986), .