APA način citiranja (7. izdanje)

Duckworth, W. (1998). A creative approach to music fundamentals (6th ed.). Wadsworth Pub.

Čikaški stil citiranja (17. izdanje)

Duckworth, William. A Creative Approach to Music Fundamentals. 6th ed. Belmont, Calif: Wadsworth Pub, 1998.

MLA način citiranja (9. izdanje)

Duckworth, William. A Creative Approach to Music Fundamentals. 6th ed. Wadsworth Pub, 1998.