Garis besar ekonomi Amerika Serikat = Outline of the U.S. economy
editor, Kathleen E. Hug; penerjemah, Sumantri Ar.
Office of International Infrmation Programs US Department of State, [date of publication not identified]
 Buku Teks SO
Outline of U.S. government
United States Department of State, 1991
 Buku Teks SO
Outline of the U.S. legal system
edited by George Clack
Bureau of International Information Programs United States Department of State, 2004
 Buku Teks SO
An outline of the American economy
United States Information Agency, 1991
 Buku Teks SO
Eckstein, Otto
The DRI model of the US economy
McGraw-Hill, 1983
 Buku Teks SO