Bradbrook, M.C. (Muriel Clara), 1909-1993, author
Longman Group, 1972
Buku Teks
Bradbrook, M.C. (Muriel Clara), 1909-1993, author
Longmans Green, 1950
Buku Teks
Headings, Philip R., author
Twayne, 1964
Buku Teks
Artikel Jurnal
Cooper, John Xiros, author
Cambridge University Press, 2006
eBooks