Sethi, Ashok, author
Quintessence, 2012
Buku Teks
Albrecht, Karl, 1941-
Josseey-Bass, 2007
Buku Teks
ed. by Michael J. Kennish
CRC Press, 1994
Buku Referensi
Allan Jones [and others]
Prentice-Hall, 2000
Buku Teks
Nahavandi, Afsaneh, author
Pearson/Prentice Hall, 2009
Buku Teks