Robboy, R. (2020). Abraham Ellstein's film scores: Some less obvious sources. Polin.
Lua i Stíl Chicago (17ú heag.)Robboy, Ronald. "Abraham Ellstein's Film Scores: Some Less Obvious Sources." Polin 2020.
Lua MLA (8ú heag.)Robboy, Ronald. "Abraham Ellstein's Film Scores: Some Less Obvious Sources." Polin, 2020.
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