DeLong, J. Bradford, author
McGraw-Hill, 2002
Buku Teks
Parkin, Michael, 1939-, author
Prentice-Hall, c1992
Buku Referensi
Colander, David C., author
Irwin McGraw-Hill, 2004
Buku Teks
Taylor, John B., 1946-, author
Wadsworth and Cengage Learning, 2012
Buku Teks
Bradley, Michael, author
Scott, Foresman, 1985
Buku Teks