APA-referens (7:e uppl.)

(1992). American almanac: December. U.S. Bureau of the Census.

Chicago-referens (17:e uppl.)

American Almanac: December. USA: U.S. Bureau of the Census, 1992.

MLA-referens (8:e uppl.)

American Almanac: December. U.S. Bureau of the Census, 1992.