United Nations. (1961). Yearbook of the United Nations 1961. New York: Office of Public Information.
Chicago ZitierstilUnited Nations. Yearbook of the United Nations 1961. New York: Office of Public Information, 1961.
MLA ZitierstilUnited Nations. Yearbook of the United Nations 1961. New York: Office of Public Information, 1961.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.