Red Sea Press, ISBN 1-56902-188-0* Cliffe, Lionel & Davidson, Basil (1988), "The Long Struggle of Eritrea for Independence and Constructive Peace".
Red Sea Press, ISBN 1-56902-188-0* Cliffe, Lionel & Davidson, Basil (1988), "The Long Struggle of Eritrea for Independence and Constructive Peace".