Clusters, networks, and innovation. 1st ed. Oxford : Oxford University Press, 2007. xxiv, 499 s. Dostupné na internetu: <http://www.loc.gov/catdir/toc/ecip0516/2005020567.html> <http://www.loc.gov/catdir/enhancements/fy0640/2005020567-d.html> <http://www.loc.gov/catdir/enhancements/fy0726/2005020567-b.html> ISBN 978-0-19-927556-4.