Douglas, M. (1993). The glorious book of numbers. Jewish Studies Quarterly.
Lua i Stíl Chicago (17ú heag.)Douglas, Mary. "The Glorious Book of Numbers." Jewish Studies Quarterly 1993.
Lua MLA (8ú heag.)Douglas, Mary. "The Glorious Book of Numbers." Jewish Studies Quarterly, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.