Association de droit international & Association de droit international. (1967). Report of the fifty-second conference held at Helsinki, August 14th, to August 20th, 1966. International Law Association.
Citazione stile Chigago Style (17a edizione)Association de droit international e Association de droit international. Report of the Fifty-second Conference Held at Helsinki, August 14th, to August 20th, 1966. London: International Law Association, 1967.
Citatione MLA (9a ed.)Association de droit international e Association de droit international. Report of the Fifty-second Conference Held at Helsinki, August 14th, to August 20th, 1966. International Law Association, 1967.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.