Ivamy, E.R. Hardy
Llod's of London Press, 1082
Buku Teks
Ivamy, E.R. Hardy, author
Butterworth, 1977
Buku Teks
Ivamy, E.R. Hardy
Butterworth, 1980
Buku Teks
Ivamy, E.R. Hardy, author
Butterworth, 1978
Buku Teks
Keir, David Lindsay, author
Oxford University Press, 1948
Buku Teks