Lehmann, John
Thames & Hudson, 1987
Buku Teks
Blackstone, Bernard
Harcourt, Brace, 1949
Buku Teks
McLaurin, Allen
Cambridge University Press, 1973
Buku Teks
editeded by Morris Beja
Macmillan, 1986
Buku Teks
Dalgarno, Emily
[Cambridge University Press;, ], 2012
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