The Cambridge companion to Nozick's anarchy, state, and utopia. First published. Cambridge : Cambridge University Press, 2011. xii, 316 stran. Cambridge companions to philosophy. Available on Internet: <http://www.gbv.de/dms/sub-hamburg/659279398.pdf> <http://www.loc.gov/catdir/enhancements/fy1215/2011019268-d.html> ISBN 978-0-521-12002-9.