Citazione Stile APA (7a Edizione)

Duckworth, W. (2001). A creative approach to music fundamentals [w/ CD-ROM] (7th ed.). Wadsworth.

Citazione stile Chigago Style (17a edizione)

Duckworth, William. A Creative Approach to Music Fundamentals [w/ CD-ROM]. 7th ed. Australia: Wadsworth, 2001.

Citatione MLA (9a ed.)

Duckworth, William. A Creative Approach to Music Fundamentals [w/ CD-ROM]. 7th ed. Wadsworth, 2001.