Moore, W. G., author
Penguin Books, 1974
Buku Referensi
Moore, W.G.
Maryland Penguin Books 1974,
Buku Referensi
Rose-Innes, Arthur, author
Yoshikawa, [date of publication not identified]
Buku Referensi
Longley, Dennis, author
Macmillan, 1986
Buku Referensi
Black, Henry Campbell, author
West Publishing, 1990
Buku Teks