References
- Henckaerts, Jean-Marie. 1995. Mass Expulsion in Modern International Law and Practice. The Hague, Boston and London: Martinus Nijhoff Publishers.
- Sudarkasa, Niara. 1979. “From Stranger to Alien: The Socio-Political History of the Nigerian Yoruba in Ghana, 1900-1970.” In Strangers in African Societies, edited by William Shack and Elliott Skinner, 141–168. Berkeley and Los Angeles: University of California Press.