Eckstein, M. (1954). Write and Play the scales and chords. Carl Fischer.
Lua i Stíl Chicago (17ú heag.)Eckstein, Maxwell. Write and Play the Scales and Chords. Nueva York: Carl Fischer, 1954.
Lua MLA (9ú heag.)Eckstein, Maxwell. Write and Play the Scales and Chords. Carl Fischer, 1954.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.