JewishEncyclopedia.com: The only free Jewish encyclopedia on the Internet. Kopelman Found..
Cita Chicago (17th ed.)JewishEncyclopedia.com: The Only Free Jewish Encyclopedia on the Internet. Kopelman Found..
Cita MLA (8th ed.)JewishEncyclopedia.com: The Only Free Jewish Encyclopedia on the Internet. Kopelman Found..
Atenció: Aquestes cites poden no estar 100% correctes.