Gladstone, W. E. (1993). The papers of William Ewart Gladstone. Research Publications, inc..
Lua i Stíl Chicago (17ú heag.)Gladstone, W. E. The Papers of William Ewart Gladstone. Woodbridge, Conn.: Research Publications, inc., 1993.
Lua MLA (8ú heag.)Gladstone, W. E. The Papers of William Ewart Gladstone. Research Publications, inc., 1993.
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