Tompkins, Jonathan R., author
Wadsworth, 2005
Buku Teks
Baker, David, author
Chandos Publishing, 2007
Buku Teks
edited by Massimo Sargiacomo
McGraw-Hill, 2013
Buku Teks
editors, Ronald J. Burke, Andrew J. Noblet, Cary L. Cooper
Edward Elgar, 2013
Buku Teks
edited by Ronald J. Burke, Andrew J. Noblet
Edward Elgar, 2013
Buku Teks