William Gervase Clarence-Smith, 1986 "Spanish Equatorial Guinea, 1898-1940", in The Cambridge History of Africa: From 1905 to 1940 Ed. J. D. Fage, A. D. Roberts, & Roland Anthony Oliver. Cambridge: Cambridge University Press>"The Cambridge History of Africa, Volume 7~ from 1905 to 1940 (0521225051, 1986)". Archived from the original on 20 February 2014. Retrieved 23 September 2013.
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William Gervase Clarence-Smith, 1986 "Spanish Equatorial Guinea, 1898-1940", in The Cambridge History of Africa: From 1905 to 1940 Ed. J. D. Fage, A. D. Roberts, & Roland Anthony Oliver. Cambridge: Cambridge University Press>"The Cambridge History of Africa, Volume 7~ from 1905 to 1940 (0521225051, 1986)". Archived from the original on 20 February 2014. Retrieved 23 September 2013.
