Cope, D. (1993). New directions in music (6th ed.). Wm. C. Brown Communications.
Citazione stile Chigago Style (17a edizione)Cope, David. New Directions in Music. 6th ed. Dubuque, Iowa: Wm. C. Brown Communications, 1993.
Citatione MLA (9a ed.)Cope, David. New Directions in Music. 6th ed. Wm. C. Brown Communications, 1993.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.