Williamson, J. A. (1919). The foundation & growth of the British empire. Macmillan and co.,limited.
Lua i Stíl Chicago (17ú heag.)Williamson, James A. The Foundation & Growth of the British Empire. London: Macmillan and co.,limited, 1919.
Lua MLA (8ú heag.)Williamson, James A. The Foundation & Growth of the British Empire. Macmillan and co.,limited, 1919.
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