Lipstein, supra note 44, p. 145; Freeman, supra note 46, pp. 489-490; Nguyen Quoc Dinh, Droit International Public (P. Daillier and A. Pellet (eds.)), 6th ed.
Lipstein, supra, note 44, 145; Freeman, supra, note 46, p.  489 et 490; Nguyen Quoc Dinh, Droit international public [P. Daillier and A. Pellet (eds.  )], 6e éd.