Goitein, S. (1959). The biography of Rabbi Judah Ha-Levi in the light of the Cairo Geniza documents.
Lua i Stíl Chicago (17ú heag.)Goitein, S.D.F. The Biography of Rabbi Judah Ha-Levi in the Light of the Cairo Geniza Documents. New York, 1959.
Lua MLA (8ú heag.)Goitein, S.D.F. The Biography of Rabbi Judah Ha-Levi in the Light of the Cairo Geniza Documents. 1959.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.