Guenther, I. (2006). Broken brushes: German art from the Kaiser to Hitler ; works on paper from the Kopriva collection ; [exhibition] / [Redbud Gallery. Texts: Irene Guenther ...].
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Guenther, Irene. Broken Brushes: German Art from the Kaiser to Hitler ; Works on Paper from the Kopriva Collection ; [exhibition] / [Redbud Gallery. Texts: Irene Guenther ...]. Houston (Texas), 2006.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Guenther, Irene. Broken Brushes: German Art from the Kaiser to Hitler ; Works on Paper from the Kopriva Collection ; [exhibition] / [Redbud Gallery. Texts: Irene Guenther ...]. 2006.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.