Harms 1983, p. 128. Harms, Robert (1983), "The World Abir Made: The Margina-Lopori Basin, 1885-1903", African Economic History (12): 122–139, doi:10.2307/3601320, JSTOR3601320
Harms 1983, p. 131. Harms, Robert (1983), "The World Abir Made: The Margina-Lopori Basin, 1885-1903", African Economic History (12): 122–139, doi:10.2307/3601320, JSTOR3601320
Harms 1983, p. 128. Harms, Robert (1983), "The World Abir Made: The Margina-Lopori Basin, 1885-1903", African Economic History (12): 122–139, doi:10.2307/3601320, JSTOR3601320
Harms 1983, p. 131. Harms, Robert (1983), "The World Abir Made: The Margina-Lopori Basin, 1885-1903", African Economic History (12): 122–139, doi:10.2307/3601320, JSTOR3601320
Buckley, Martin (5 February 2001). "Chile: Notes from a nomad". The Daily Telegraph. Archived from the original on 11 November 2012. Retrieved 1 March 2009.
Buckley, Martin (5 February 2001). "Chile: Notes from a nomad". The Daily Telegraph. Archived from the original on 11 November 2012. Retrieved 1 March 2009.