Guenther, R. (1982). First of practical studies for flute. Belwin Mills.
Lua i Stíl Chicago (17ú heag.)Guenther, Ralph. First of Practical Studies for Flute. New York: Belwin Mills, 1982.
Lua MLA (8ú heag.)Guenther, Ralph. First of Practical Studies for Flute. Belwin Mills, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.