APA

Executive office of the secretary-general protokol and liaison service, . (2005). Permanent to the united nations. New York: United nations.

Chicago

Executive office of the secretary-general protokol and liaison service, . 2005. Permanent to the united nations. New York: United nations.

Harvard

Executive office of the secretary-general protokol and liaison service, . (2005). Permanent to the united nations. New York: United nations.

MLA

Executive office of the secretary-general protokol and liaison service, . Permanent to the united nations. New York: United nations. 2005.