RUXTON, Graeme D. - COLEGRAVE, Nick. Experimental design for the life sciences. 2nd ed. Oxford [u.a.] : Oxford University Press, c2006. xviii, 162 s. Available on Internet: <http://www.loc.gov/catdir/enhancements/fy0725/2005032212-b.html> <http://www.gbv.de/dms/hebis-darmstadt/toc/177209216.pdf> ISBN 019928511X.