United Nations. (2005). Multilateral treaty framework: An invitation to universal participation: focus 2005: responding to global challenges. United Nations.
Chicago Style (17th ed.) ZitazioaUnited Nations. Multilateral Treaty Framework: An Invitation to Universal Participation: Focus 2005: Responding to Global Challenges. Nueva York: United Nations, 2005.
MLA (9th ed.) ZitazioaUnited Nations. Multilateral Treaty Framework: An Invitation to Universal Participation: Focus 2005: Responding to Global Challenges. United Nations, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.