Wright, Vincent
New York Holmes [t.th.]
Buku Teks
Cobban, Alfred, author
[publisher not identified], [date of publication no identified]
Buku Teks
Brury, J.P.T.
Methuen & Co LTD, 1969
Buku Teks
Paris : Mercvre De France
Majalah, Jurnal, Buletin
Capele, Janine, author
Hachette, 1980
Buku Teks