Chapter General of the Sovereign Military Hospitaller Order of St. John of Jerusalem of Rhodes and of Malta, Constitutional Charter and Code of the Sovereign Military Hospitaller Order of St. John of Jerusalem, of Rhodes, and of Malta, promulgated 27 June 1961, revised by the Extraordinary Chapter General 28–30 April 1997, Article 3 "Sovereignty," Paragraph 1., Rome, Tipografia Arte della Stampa, , 11 p. (lire en ligne)
