(1976). Gradus: An integrated approach to harmony, counterpoint, and analysis / Leo Kraft.
Chicago-čujuhus (17. p.)Gradus: An Integrated Approach to Harmony, Counterpoint, and Analysis / Leo Kraft. 1976.
MLA-čujuhus (9. p.)Gradus: An Integrated Approach to Harmony, Counterpoint, and Analysis / Leo Kraft. 1976.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.