Bloed, A., & Dijk, P. v. (1991). The human dimension of the Helsinki process: The Vienna follow-up meeting and its aftermath. Martinus Nijhoff Publishers.
Chicago Style aipamenaBloed, A., and P. van Dijk. The Human Dimension of the Helsinki Process: The Vienna Follow-up Meeting and Its Aftermath. Dordrecht: Martinus Nijhoff Publishers, 1991.
MLA aipamenaBloed, A., and P. van Dijk. The Human Dimension of the Helsinki Process: The Vienna Follow-up Meeting and Its Aftermath. Martinus Nijhoff Publishers, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.