Anderson, David R., author
Thomson, 2008
Buku Teks
Anderson, David R., author
West Publishing, 1981
Buku Teks
Wessel, Robert H., author
Henry Holt, 1959
Buku Teks
Kazmier, Leonard J., author
McGraw-Hill, 1984
Buku Teks
Newbold, Paul, author
Prentice-Hall, 1995
Buku Teks