Frakes, J. C. (1997). The earliest extant Yiddish purimshpil is traced to Leipzig. Yale Companion to Jewish Writing and Thought in German Culture, 1096-1996.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Frakes, Jerold C. "The Earliest Extant Yiddish Purimshpil Is Traced to Leipzig." Yale Companion to Jewish Writing and Thought in German Culture, 1096-1996 1997.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Frakes, Jerold C. "The Earliest Extant Yiddish Purimshpil Is Traced to Leipzig." Yale Companion to Jewish Writing and Thought in German Culture, 1096-1996, 1997.
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