Lehmann, John
Thames & Hudson, 1987
Buku Teks
Blackstone, Bernard
Harcourt, Brace, 1949
Buku Teks
Zeller, Bernhard
Suhrkamp, 1977
Buku Teks
Dalgarno, Emily
[Cambridge University Press;, ], 2012
eBooks
editeded by Morris Beja
Macmillan, 1986
Buku Teks