edited by Andrew Ballantyne
Routledge, 2002
Buku Teks
Hartley, John
Blackwell, 2008
eBooks
Stilgoe, John R., 1949
The MIT Press, 2015
Buku Teks SO
Huber, Carlo
The Council for Research Values and Philosophy , 2001
Buku Teks
Glock, Hans-Johann, 1960-
Cambridge University Press, 2012
eBooks