Clayden, Jonathan, Nick Greeves, and Stuart G. Warren. 2012. Organic Chemistry, 2nd ed (Oxford: Oxford University Press) <http://ebookcentral.proquest.com/lib/nottingham/detail.action?docID=1591368>
Stuart Warren  and Paul Wyatt. 2011. Organic Synthesis : The Disconnection Approach, 2nd edn (John Wiley & Sons, Incorporated) <https://ebookcentral.proquest.com/lib/nottingham/detail.action?docID=819215>