Gibb, D. (1957). Lloyd's of London: A study in individualism. MacMillan.
Tohutoru Kātū Chicago (17th ed.)Gibb, D.E.W. Lloyd's of London: A Study in Individualism. Londres: MacMillan, 1957.
Tohutoro MLA (9th ed.)Gibb, D.E.W. Lloyd's of London: A Study in Individualism. MacMillan, 1957.
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