Negotiation
Roy J. Lewicki [and others]
McGraw-Hill, 2003
 Buku Teks
Tracy, Brian
Negotiation
American Management Association, 2012
 eBooks
Lewicki, Roy J.
Negotiation
Richard D. Irwin, 1985
 Buku Teks
Lewicki, Roy J.
Essentials of negotiation
McGraw-Hill Education, 2016
 Buku Teks
Lewicki, Roy J.
Essentials of negotiation
McGraw-Hill Education, 2016
 Buku Teks