Cameron, Susan, 1958-, author
McGraw-Hill, 2012
Multimedia
Williams, Greg, author
American Management Association, 2009
eBooks
Maxwell, John C., author
Center Stre, 2015
Buku Teks
Crosbie, Rowena, author
Business Publications Corporations, 2017
Buku Teks
Bloomfield, Harold H., author
Ballantine Books , 1983
Buku Teks