New Strategist Publications, Inc. (2012). Older Americans: A changing market (7th ed.). New Strategist Publications, Inc..
Chicago-referens (17:e uppl.)New Strategist Publications, Inc. Older Americans: A Changing Market. 7th ed. Ithaca, N.Y.: New Strategist Publications, Inc., 2012.
MLA-referens (9:e uppl.)New Strategist Publications, Inc. Older Americans: A Changing Market. 7th ed. New Strategist Publications, Inc., 2012.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.