Sondheim, S. (2010). Finishing the hat: Collected lyrics (1954-1981) with attendant comments, principles, heresies, grudges, whines and anecdotes. Knopf.
Lua i Stíl Chicago (17ú heag.)Sondheim, Stephen. Finishing the Hat: Collected Lyrics (1954-1981) with Attendant Comments, Principles, Heresies, Grudges, Whines and Anecdotes. New York: Knopf, 2010.
Lua MLA (9ú heag.)Sondheim, Stephen. Finishing the Hat: Collected Lyrics (1954-1981) with Attendant Comments, Principles, Heresies, Grudges, Whines and Anecdotes. Knopf, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.