Littlewood, William, author
Cambridge University Press, 1994
Buku Teks
Littlewood, William, author
Cambridge University Press, 1998
Buku Teks
Ur, Penny, author
Cambridge University Press, 2006
Buku Teks
Christie, Francis
Oxford University Press, 1989
Buku Teks
Osaka University
Osaka University, 2020
Buku Teks