Trueb, L. (2014). Erik Steinbrecher: Konkret : [on the occasion of the exhibition "Erik Steinbrecher, Books & Prints" at Graphische Sammlung ETH Zürich, February 19 to April 13, 2014] / [book design: Lex Trueb ] (1. ed.). Bookhorse.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Trueb, Lex. Erik Steinbrecher: Konkret : [on the Occasion of the Exhibition "Erik Steinbrecher, Books & Prints" at Graphische Sammlung ETH Zürich, February 19 to April 13, 2014] / [book Design: Lex Trueb ]. 1. ed. Zürich: Bookhorse, 2014.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Trueb, Lex. Erik Steinbrecher: Konkret : [on the Occasion of the Exhibition "Erik Steinbrecher, Books & Prints" at Graphische Sammlung ETH Zürich, February 19 to April 13, 2014] / [book Design: Lex Trueb ]. 1. ed. Bookhorse, 2014.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.