Organski, A.F.K., author
Alfred A. Knopf, 1969
Buku Teks
by Kenneth A. Dahlberg [and others]
Duke University Press, 1985
Buku Teks
edited by Sarah A. Radcliffe
Routledge , 2006
Buku Teks
Rivoli, Pietra, author
John Wiley & Sons, 2005
Buku Teks
Lipschutz, Ronnie D., author
Routledge, 2005
Buku Teks