Whitten, Jeffrey L., author
McGraw-Hill, 2004
Buku Teks
Whitten, Jeffrey L., author
Irwin, 1994
Buku Teks
Hoffer, Jeffrey A., author
Addison-Wesley, 1998
Buku Teks
Hare, Van Court, author
Harcourt, Brace and World, 1967
Buku Teks
Hawryszkiewycz, Igor Titus, author
Prentice-Hall, 1988
Buku Teks