Roberts, G. (1860). Forty winks: A comedietta in one act, from the French. S. French.
Lua i Stíl Chicago (17ú heag.)Roberts, George. Forty Winks: A Comedietta in One Act, from the French. New York: S. French, 1860.
Lua MLA (8ú heag.)Roberts, George. Forty Winks: A Comedietta in One Act, from the French. S. French, 1860.
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