Clayden, J., Greeves, N. and Warren, S.G. (2012) Organic chemistry. 2nd ed. Oxford: Oxford University Press. Available at: 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. Available at: https://ebookcentral.proquest.com/lib/nottingham/detail.action?docID=819215.