Robboy, R. (2020). Abraham Ellstein's film scores: Some less obvious sources. Polin.
Chicago-viite (17. p.)Robboy, Ronald. "Abraham Ellstein's Film Scores: Some Less Obvious Sources." Polin 2020.
MLA-viite (8. p.)Robboy, Ronald. "Abraham Ellstein's Film Scores: Some Less Obvious Sources." Polin, 2020.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.