Davidson, William H., author
John Wiley & Sons, 1982
Buku Teks
Globerman, Steven
Prentince-Hall, 1986
Buku Teks
Vernon-Wortzel, Heidi, author
John Wiley & Sons, 1991
Buku Teks
Sanyal, Rajib N., author
Prentice-Hall, 2001
Buku Teks
Prasad, S. Benjamin
Prentice-Hall, 1976
Buku Teks