Lugard, F. J. D. (1920). Report by Sir F.D. Lugard on the amalgamation of Northern and Southern Nigeria, and administration, 1912-1919. H.M.S.O..
Citace podle Chicago (17th ed.)Lugard, Frederick John Dealtry. Report by Sir F.D. Lugard on the Amalgamation of Northern and Southern Nigeria, and Administration, 1912-1919. London: H.M.S.O., 1920.
Citace podle MLA (8th ed.)Lugard, Frederick John Dealtry. Report by Sir F.D. Lugard on the Amalgamation of Northern and Southern Nigeria, and Administration, 1912-1919. H.M.S.O., 1920.
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