Burrows A and others, Chemistry3: Introducing Inorganic, Organic, and Physical Chemistry (Third edition, Oxford University Press 2017)
‘Chemguide: Helping You to Understand Chemistry - Main Menu’ <http://chemguide.co.uk/>
Craig, Nancy Lynn 1952- author, Molecular Biology : Principles of Genome Function / Nancy L. Craig [and Five Others] ; with End of Chapter Questions by Deborah Zies and Claire Burns (Oxford University Press 2014)
Lister T and Renshaw J, AQA Chemistry: A Level (2nd edition, Oxford University Press 2015)
McFarland AG, Quigg T and Henry N, AQA A-Level Chemistry 1 (Hodder Education 2015) <https://ebookcentral.proquest.com/lib/uclan-ebooks/detail.action?docID=2048509>
——, AQA A-Level Chemistry 2 | Ebook (Dynamic Learning 2015) <https://ebookcentral.proquest.com/lib/uclan-ebooks/detail.action?docID=2131091>
Morris J, Biology: How Life Works (2nd ed, WH Freeman and Company 2016)