Hrabe, J., & Simandl, F. (1940). 86 etudes: For the string bass Book I. Carl Fischer.
Lua i Stíl Chicago (17ú heag.)Hrabe, Josef, agus Franz Simandl. 86 Etudes: For the String Bass Book I. New York: Carl Fischer, 1940.
Lua MLA (9ú heag.)Hrabe, Josef, agus Franz Simandl. 86 Etudes: For the String Bass Book I. Carl Fischer, 1940.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.