[publisher not identified], [date of publication not identified]
Buku Teks
Blakeney, E.H., author
J.M. Dent & Sons, 1952
Buku Referensi
Sykes, Egerton, author
London, J.M. Dent and Sons
Buku Referensi
Warrington, John
London Dent 1961
Buku Teks
J.M. Dent & Sons ltd, 1930
Buku Teks