Sant, Tom
Persuasive business proposals : writing to win more customers, clients, and contracts
American Management Association, 2004
 eBooks
Sant, Tom
Persuasive business proposals : writing to win more customers, clients, and contracts
American Management Association, 2012
 Buku Teks
Steve, Theobald
Writing winning proposals: business skills
[American Society for Training & Development Press;, ], 2002
 eBooks
Pugh, David G.
Powerful proposals: how to give your business the winning edge
American Management Association;, 2005
 eBooks
Brown, Leland
Effective business report writing.
Prentice-Hall, 1959
 Buku Teks