Lua APA (7ú heag.)

Willoughby, D. (1999). The world of music (4th ed.). Mcgraw-Hill.

Lua i Stíl Chicago (17ú heag.)

Willoughby, David. The World of Music. 4th ed. Boston: Mcgraw-Hill, 1999.

Lua MLA (9ú heag.)

Willoughby, David. The World of Music. 4th ed. Mcgraw-Hill, 1999.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.