Cook, Guy (Guy W. D.), author
Oxford University Press, 2000
Buku Teks
edited by Albert H. Marckwardt
National Council of Teachers of English, 1968
Buku Teks
Cook, Vivian, author
ARNOLD, 2001
Buku Teks
Mitchell, Rosamond, author
Arnold, 1998
Buku Teks
Donald Freeman and Jack C. Richardsand , author
Cambridge Cambridge University Press 1996
Buku Teks