Russell, C. (2012). Demographics of the U.S: Trends and projections (4th ed.). New Strategist Publications, Inc..
Cita Chicago (17th ed.)Russell, Cheryl. Demographics of the U.S: Trends and Projections. 4th ed. Ithaca, N.Y.: New Strategist Publications, Inc., 2012.
Cita MLA (9th ed.)Russell, Cheryl. Demographics of the U.S: Trends and Projections. 4th ed. New Strategist Publications, Inc., 2012.
Atenció: Aquestes cites poden no estar 100% correctes.