Lua APA (7ú heag.)

Schmidt, J. (1989). Basics of singing (2nd ed.). Schirmer Books.

Lua i Stíl Chicago (17ú heag.)

Schmidt, Jan. Basics of Singing. 2nd ed. New York: Schirmer Books, 1989.

Lua MLA (9ú heag.)

Schmidt, Jan. Basics of Singing. 2nd ed. Schirmer Books, 1989.

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