Dowis, Richard, author
[American Management Association, ], 2000
eBooks
Raines, Claire, author
American Management Association, 2006
eBooks
Rose, Frank, author
W. W. Norton & Company, 2011
Buku Teks
Addison-Wesley Publishing Company, Inc., 1991
Buku Teks
Fishman, Stewart, author
Nolo Law for All, 2012
Buku Teks