Folland, Sherman, author
Prentice-Hall, 1997
Buku Teks
Folland, Sherman, author
Prentice-Hall, 2001
Buku Teks
Hicks, Lanis L., author
Jones & Bartlett Learning, 2014
Buku Teks
Feldstein, Paul J., author
Delmar, 1999
Buku Teks
Ruchlin, Hirsch S., author
Charles C. Thomas, 1973
Buku Teks