Jauch, Lawrence R., author
McGraw-Hill, 1988
Buku Teks
Boulton, William R., author
Macmillan, 1984
Buku Teks
Glueck, William F., author
McGraw-Hill, 1984
Buku Teks
Wheelen, Thomas L., author
Prentice-Hall, 2002
Buku Referensi
Glueck, William F., author
McGraw-Hill, 1984
Buku Teks