Khan, M. Y., author
Tata McGraw-Hill, 1995
Buku Teks
Hampton, John J., 1942-, author
Prentice-Hall, 1989
Buku Teks
Chambers, Raymond J., author
Sweet & Maxwell, 1953
Buku Teks
Brigham, Eugene F., 1930-, author
The Dryden Press, 1994
Buku Teks
Brigham, Eugene F., 1930-, author
The Dryden Press, 1991
Buku Teks