Lua APA (7ú heag.)

(1965). Reflections on Spengler. Year Book / Leo Baeck Institute.

Lua i Stíl Chicago (17ú heag.)

"Reflections on Spengler." Year Book / Leo Baeck Institute 1965.

Lua MLA (8ú heag.)

"Reflections on Spengler." Year Book / Leo Baeck Institute, 1965.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.