Piano Magazine: Clavier Companion. Frances Clark Center Keyboard Pedagogy.
Chicago-čujuhus (17. p.)Piano Magazine: Clavier Companion. Frances Clark Center Keyboard Pedagogy.
MLA-čujuhus (9. p.)Piano Magazine: Clavier Companion. Frances Clark Center Keyboard Pedagogy.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.