Winch, Peter
Routledge, 1995
Buku Teks
Engelmann, Karen
Harper Collins, 2012
Buku Teks
Lerner, Berel Dov
Routledge , 2002
Buku Teks
Blackwell Publishing, 2004
Buku Teks
edited by Hedwig te Molder, Jonathan Potter
Cambridge University Press, 2005
Buku Teks