Friedman, M. (1981). Martin Buber's life and work: The early years 1878-1923. Dutton.
Lua i Stíl Chicago (17ú heag.)Friedman, Maurice. Martin Buber's Life and Work: The Early Years 1878-1923. New York: Dutton, 1981.
Lua MLA (8ú heag.)Friedman, Maurice. Martin Buber's Life and Work: The Early Years 1878-1923. Dutton, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.