Dibella, Anthony J., author
Prentice-Hall, 2001
Buku Teks
Dutta, Soumitra, author
McGraw-Hill, 1999
Buku Teks
Dubois, David D., author
HRD Press, 1993
Buku Teks
edited by John E. Morrison
Wiley, 1991
Buku Teks
Evans, James R. (James Robert), 1950-, author
Prentice-Hall, 1991
Buku Teks