Spitzer, Dean R., author
American Management Association, 2007
eBooks
Binder, Frederick M., author
D.C. Heath, 1988
Buku Teks
Cummins, Denise D., author
Cambridge University Press, 2012
Buku Teks
Baldacchino, John, author
[Sense, Sense], 2012
eBooks
Holiday, Ryan, author
Penguin, 2014
Buku Teks