Schuster, M. (1996). Summer in the City: 4 Songs a cappella : Summer in the City, This Ol'Hammer, Feel the Rhythm, Samba lelé. Gustav Bosse.
Lua i Stíl Chicago (17ú heag.)Schuster, Martin. Summer in the City: 4 Songs a Cappella : Summer in the City, This Ol'Hammer, Feel the Rhythm, Samba Lelé. Kassel: Gustav Bosse, 1996.
Lua MLA (8ú heag.)Schuster, Martin. Summer in the City: 4 Songs a Cappella : Summer in the City, This Ol'Hammer, Feel the Rhythm, Samba Lelé. Gustav Bosse, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.