Donaldson, Thomas
Prentice-Hall, 1982
Buku Teks
Bergson, Henri, author
Doubleday Anchor Books, 1956
Buku Teks
Spinello, Richard A., author
Jones and Bartlett Learning, 2017
Buku Teks
Gottlieb, Roger S., author
Cambridge University Press, 2019
Buku Teks
Appleby, Paul H., author
Louisiana State University Press, 1952
Buku Teks