Hadden, J. C. (1961). Haydn.
Lua i Stíl Chicago (17ú heag.)Hadden, J. Cuthbert. Haydn. 1961.
Lua MLA (9ú heag.)Hadden, J. Cuthbert. Haydn. 1961.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)