Zipperstein, S. J. (1999). The First Loves of Isaac Rosenfeld: Steven J. Zipperstein. Jewish Social Studies.
Lua i Stíl Chicago (17ú heag.)Zipperstein, Steven J. "The First Loves of Isaac Rosenfeld: Steven J. Zipperstein." Jewish Social Studies 1999.
Lua MLA (8ú heag.)Zipperstein, Steven J. "The First Loves of Isaac Rosenfeld: Steven J. Zipperstein." Jewish Social Studies, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.