Koch, Edward T., author
Kencana Prenada Media Group, 2008
Buku Teks
Berges, Steve, author
American Management Association, 2006
eBooks
DuBrin, Andrew J., author
Prenada Media Group, 2009
Buku Teks
Passante, Christopher K., author
Prenada Media Group, 2008
Buku Teks
Nicolino, Patricia F.
Kencana Prenada Media , 2007
Buku Teks