Barringron, Lowell, author
Wadsworth and Cengage Learning, 2013
Buku Teks
Wang, James C.F., author
Prentice-Hall, 1994
Buku Teks
Hauss, Charles, author
Wadsworth/Thomson Learning, 2003
Multimedia
McCormick, John, 1954-, author
Thomson Wadsworth, 2004
Buku Teks
Fried, Robert C., author
Prentice-Hall, 1980
Buku Teks