Pollard, A.F.
Longman , 1951
Buku Teks
Leech, Clifford, author
Published for the British council by Longmans, Green, 1962
Buku Teks
Pollard, Velma
Longman, 1994
Buku Teks
Durlacher, Jessica, author
Bert Bakker, 1994
Buku Teks
Dendermonde, Max, author
EM. Querido's Uitgeverij N.V, 1967
Buku Teks