C. R. The Portuguese Seaborne Empire, 1415–1825, A. A. Knopf, 1969, ISBN 0090979400↑ "BBC NEWS – Africa – The man who would be Congo's king". 12 February 2003. 29 November 2016 දින පැවති මුල් පිටපත වෙතින් සංරක්ෂිත පිටපත. සම්ප්‍රවේශය 29 November 2016.↑ jeremy, rich (2012), Akyeampong, Emmanuel K; Gates, Henry Louis, eds., "Ngalifourou" (in en), Dictionary of African Biography (Oxford University Press), doi:10.1093/acref/9780195382075.001.0001, ISBN 978-0-19-538207-5, https://www.oxfordreference.com/view/10.1093/acref/9780195382075.001.0001/acref-9780195382075-e-1533, ප්‍රතිෂ්ඨාපනය 2021-01-16 ↑ United States State Department. Office of the Historian. A Guide to the United States' History of Recognition, Diplomatic, and Consular Relations, by Country, since 1776. "Republic of the Congo සංරක්ෂණය කළ පිටපත 12 මැයි 2017 at the Wayback Machine". Accessed 9 October 2010.↑ United States State Department. Bureau of African Affairs. Background Notes. "Republic of the Congo සංරක්ෂණය කළ පිටප