APA-referens (7:e uppl.)

United Nations. Statistical Office. (1950). Studies in methods (no. 1.). [s.n.].

Chicago-referens (17:e uppl.)

United Nations. Statistical Office. Studies in Methods. no. 1. New York: [s.n.], 1950.

MLA-referens (9:e uppl.)

United Nations. Statistical Office. Studies in Methods. no. 1. [s.n.], 1950.