D.C. Heath and Company. (1993). The Makings of America: The United States and the world. D.C. Heath.
Chicago-referens (17:e uppl.)D.C. Heath and Company. The Makings of America: The United States and the World. Lexington, Mass.: D.C. Heath, 1993.
MLA-referens (8:e uppl.)D.C. Heath and Company. The Makings of America: The United States and the World. D.C. Heath, 1993.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.