Tracy, Brian, author
Negotiation
American Management Association, 2013
 eBooks
Negotiation
Roy J. Lewicki [and others]
McGraw-Hill, 2003
 Buku Teks
Tracy, Brian, author
Negotiation
American Management Association, 2012
 eBooks
Lewicki, Roy J., author
Negotiation
Richard D. Irwin, 1985
 Buku Teks
Adam Sia, author
The chinese tactic in negotiation
Elex Media Komputindo, 2000
 Buku Teks