Sullivan, A., & Gilbert, W. S. (1893). An original comic opera in two acts entitled Utopia limited, or, The flowers of progress. Chappell ; Novello, Ewer.
Lua i Stíl Chicago (17ú heag.)Sullivan, Arthur, agus W. S. Gilbert. An Original Comic Opera in Two Acts Entitled Utopia Limited, or, The Flowers of Progress. London : New York: Chappell ; Novello, Ewer, 1893.
Lua MLA (8ú heag.)Sullivan, Arthur, agus W. S. Gilbert. An Original Comic Opera in Two Acts Entitled Utopia Limited, or, The Flowers of Progress. Chappell ; Novello, Ewer, 1893.
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