(1992). American almanac: December. U.S. Bureau of the Census.
Cita Chicago (17th ed.)American Almanac: December. USA: U.S. Bureau of the Census, 1992.
Cita MLA (8th ed.)American Almanac: December. U.S. Bureau of the Census, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.