Alford, C. J. (1906). Mining law of the British empire. C. Griffin.
Lua i Stíl Chicago (17ú heag.)Alford, Charles J. Mining Law of the British Empire. London: C. Griffin, 1906.
Lua MLA (8ú heag.)Alford, Charles J. Mining Law of the British Empire. C. Griffin, 1906.
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