Ibsch, E. From Hypothesis to "Korrektur": Refutation as a Component of Postmodernist Discourse / Elrud Ibsch. Approaching postmodernism : papers presented at a workshop on postmodernism, 21-23 September 1984, University of Utrecht.(1986).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ibsch, Elrud. "From Hypothesis to "Korrektur": Refutation as a Component of Postmodernist Discourse / Elrud Ibsch." Approaching Postmodernism : Papers Presented at a Workshop on Postmodernism, 21-23 September 1984, University of Utrecht.(1986) .
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ibsch, Elrud. "From Hypothesis to "Korrektur": Refutation as a Component of Postmodernist Discourse / Elrud Ibsch." Approaching Postmodernism : Papers Presented at a Workshop on Postmodernism, 21-23 September 1984, University of Utrecht.(1986), .