edited by A. Ghosh
Bharatiya Inanpith, 1975
Buku Teks
Lindholm, Charles
Blackwell Publishing, 2008
Buku Teks
Mumford, Lewis
Harcourt, Brace, 1938
Buku Teks
Matsumoto, David
Thomson Wadsworth, 2004
Buku Teks
Russell, Richard Joel
Macmillan, 1954, 1951
Buku Teks