Chronister, R., & Kraehenbuehl, D. (1980). Teacher reference book. National Keyboard Arts Asssociates.
Citazione stile Chigago Style (17a edizione)Chronister, Richard, e David Kraehenbuehl. Teacher Reference Book. Princeton: National Keyboard Arts Asssociates, 1980.
Citatione MLA (9a ed.)Chronister, Richard, e David Kraehenbuehl. Teacher Reference Book. National Keyboard Arts Asssociates, 1980.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.