Anderson, Patrick R.
McGraw-Hill , 1993
Buku Teks
Prassel, Frank R., author
Goodyear, 1979
Buku Teks
Gardner, Thomas J., 1800-1850, author
Wadsworth and Cengage Learning, 2012
Buku Teks
Lindquist, John H.
Sage Publications, 1988
Buku Teks
Bohm, Robert M., author
McGraw-Hill, 2002
Buku Teks