Richards, Jeffrey
Routledge and Kegan Paul, 1973
Buku Teks
Mrazik, Augustin
Ellis Horwood, 1987
Buku Teks
Board, Niir
Asia Pacific Business Press, [tt]
Buku Teks
Langland, William, author
Phoenix House, [1959]
Buku Teks
edited by Donald R. Galloby; outstanding writers for Young Adults
Laurel-Leaf Books , 1987
Buku Teks