Outline of the U.S. Economy
edited by Kathleen E. Hug
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
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
Raffel, Marshall W.
The US health system origins and functions
Wiley, 1984
 Buku Teks
Niles, Nancy J
Basics of the U.S. health care system
Jones and Bartlett, 2011
 Buku Teks