Coba jelasin Tempo ogé dari Nagara daulat dalam bahasa sunda dong

Chen, Ti-chiang. The International Law of Recognition, with Special Reference to Practice in Great Britain and the United States. London, 1951.

Crawford, James. The Creation of States in International Law. Oxford University Press, 2005. ISBN 0-19-825402-4,  pp. 15–24.

Lauterpacht, Sir Hersch. Recognition in International Law. Cambridge, U.K., 1947.

Raič, D. Statehood and the Law of Self-determination. Martinus Nijhoff Publishers, 2002. ISBN 9789041118905.  p 29 (with reference to Oppenheim in International Law Vol. 1 1905 p110)