Trevelyan, H. B. T. (1980). Public and private. H. Hamilton.
Lua i Stíl Chicago (17ú heag.)Trevelyan, Humphrey Baron Trevelyan. Public and Private. London: H. Hamilton, 1980.
Lua MLA (9ú heag.)Trevelyan, Humphrey Baron Trevelyan. Public and Private. H. Hamilton, 1980.
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