edited by Daniel Reisberg and Paula Hertel
Oxford University Press, 2004
Buku Teks
Ashcraft, Mark H., author
Harper Collins, 1994
Buku Teks
Stein, Donald G., author
Macmillan, 1974
Buku Teks
Ashcraft, Mark H., author
Pearson, 2014
Buku Teks
edited by Daniel Reisberg and Paula Hertel
Blackwell, 2006
Buku Teks