Wall, Derek
Routledge , 1994
Buku Teks
Lamarque, Peter, author
Blackwell Publishing, 2009
Buku Teks
edited by A. Phillips Griffiths
Cambridge University Press, 1984
Buku Teks
Russell, Bertrand, 1872-1970, author
National Book League, 1947
Buku Teks
William Bectel ... [et.al}
Blackwell Publisher, 2001
Buku Teks