Isaacson, Robert L., author
Harper & Row, 1965
Buku Teks
Carlson, Neil R., author
Allyn and Bacon, 1993
Buku Teks
Carlson, Neil R., author
Allyn and Bacon , 1997
Buku Teks
Gaultney, Jane F.
Thomson, 2007
Buku Teks
Gazzaniga, Michael S., author
Norton & Company, 2003
Buku Teks