Sturgeon, Scott, 1961-, author
Routledge, 2000
Buku Teks
Cairns-Smith, A.G., author
Cambridge University Press, 1996
Buku Teks
Taylor, John E.
MIT Press, 1999
Buku Teks
Baruss, Imants, author
American Psychological Association, 2003
Buku Teks
Blackmore, Susan, author
Oxford University Press, 2005
Buku Teks