Lewin, D., & Schonberg, A. (1967). Classical variations on a theme by Schonberg for violoncello and piano, 1960. University of California Press.
Lua i Stíl Chicago (17ú heag.)Lewin, David, agus Arnold Schonberg. Classical Variations on a Theme by Schonberg for Violoncello and Piano, 1960. Berkeley: University of California Press, 1967.
Lua MLA (8ú heag.)Lewin, David, agus Arnold Schonberg. Classical Variations on a Theme by Schonberg for Violoncello and Piano, 1960. University of California Press, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.