Seng, P. J. (1967). The vocal songs in the plays of Shakespeare: A critical history. Harvard University Press.
Lua i Stíl Chicago (17ú heag.)Seng, Peter J. The Vocal Songs in the Plays of Shakespeare: A Critical History. Cambridge, Mass: Harvard University Press, 1967.
Lua MLA (9ú heag.)Seng, Peter J. The Vocal Songs in the Plays of Shakespeare: A Critical History. Harvard University Press, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.