Bentham, Jeremy
Prometheus Books, 1988
Buku Teks
Bentham, Jeremy
Columbia University Press, 1945
Buku Teks
Al-Qasem, Anis
Graham and Trotman Limited Sterling House, 1985
Buku Teks
Hancock, John C.
McGraw-Hill, 1961
Buku Teks
Stoker, H. Stephen
Prentice-Hall, 1999
Buku Teks