editor, Domenico Beneventano
Springer-Verlag, 2012
eBooks
Landy, David
Collier MacMillan Publ., 1977
Buku Teks
Thompson, Laura
Random House, 1969
Buku Teks
Ghoshal, U.N.
Orient Longmans, 1957
Buku Teks
Orwell, George, 1903-1950, author
Reynal & Hitchcock, 1946
Buku Teks