Berkowitz Sol. (2017). New Approach to Sight Singing. W W Norton.
Lua i Stíl Chicago (17ú heag.)Berkowitz Sol. New Approach to Sight Singing. W W Norton, 2017.
Lua MLA (9ú heag.)Berkowitz Sol. New Approach to Sight Singing. W W Norton, 2017.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.