Upson, D. B. (1956). Overture for beginners. Hutchinson.
Lua i Stíl Chicago (17ú heag.)Upson, Dorothy B. Overture for Beginners. London: Hutchinson, 1956.
Lua MLA (8ú heag.)Upson, Dorothy B. Overture for Beginners. Hutchinson, 1956.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.