Duhigg, Charles, author
Heinemann, 2012
Buku Teks
Sexton, John, author
M. Evans and Company, 1986
Buku Teks
Borner, Katy, author
MIT Press, 2010
Buku Referensi
Cochrane, Susan H., author
Johns Hopkins University Press, 1979
Buku Teks
Sharples, Mike, 1952-, author
Routledge, 1999
Buku Teks