edited by Chris Rowley; Malcolm Warner
Routledge, 2007
Buku Teks
McInerney, Claire R., author
Springer, 2007
Buku Teks
This, Leslie E.
Adison Wesley Publishing, 1974
Buku Teks
Robbins, Stephen P., author
Prentice-Hall, 1997
Buku Teks
Hitt, Michael A., author
Pearson, 2009
Buku Teks