Dubnow, S., & Greenberg, A. (2008). Let us Seek and Investigate: An appeal to the informed among us who are prepared to collect material for the construction of a history of the Jews in Poland and Russia. Jahrbuch des Simon-Dubnow-Instituts.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Dubnow, Simon, و Avner Greenberg. "Let Us Seek and Investigate: An Appeal to the Informed Among Us Who Are Prepared to Collect Material for the Construction of a History of the Jews in Poland and Russia." Jahrbuch Des Simon-Dubnow-Instituts 2008.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Dubnow, Simon, و Avner Greenberg. "Let Us Seek and Investigate: An Appeal to the Informed Among Us Who Are Prepared to Collect Material for the Construction of a History of the Jews in Poland and Russia." Jahrbuch Des Simon-Dubnow-Instituts, 2008.