Hewison, Robert, 1943-
Methuen, 1995
Buku Teks
edited by K. Michael Hays
MIT Press, 1998
Buku Teks
Simpson, W.O.
Stanley Thornes, 1986
Buku Teks
Stromberg, Roland D.
Appleton-Century-Crofts, 1968
Buku Teks
Hoppen, K. Theodore
Oxford University Press, 2016
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