Orwell, George, 1903-1950, author
Bentang , 2016
Buku Teks
McDonough, Adrian M.
McGraw-Hill, 1963
Buku Teks
Lowe, Julian
Philip Allan, 1980
Buku Teks
McDonough, Adrian M.
McGraw-Hill Book Company, Inc., 1963
Buku Teks
Anna M. Gil-Lafuente, Jaime Gil-Lafuente, Jose M. Merigo-Lindahl, editor
[, Springer], 2012
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