Anon. 4AD. ‘Thorium: An Energy Solution - THORIUM REMIX 2011’.
Anon. n.d.-a. ‘Chemguide: Helping You to Understand Chemistry’. Retrieved (http://www.chemguide.co.uk/).
Anon. n.d.-b. ‘Knockhardy’. Retrieved (http://www.knockhardy.org.uk/sci.htm).
Atkins, P. W., Loretta Jones, and Leroy Laverman. 2016. Chemical Principles: The Quest for Insight. Seventh edition. New York: Macmillan Education.
Chang, Raymond. 2016. Chemistry. 12th ed. New York: Mc Graw Hill Education.
Clark, Jim. 2000. Calculations in AS/A Level Chemistry. Harlow, Essex [England]: Pearson Education.
Housecroft, Catherine E., and Edwin C. Constable. 2010. Chemistry. 4th ed. Harlow: Prentice Hall.
Housecroft, Catherine E., and Edwin C Constable. 2010. Chemistry: An Introduction to Organic, Inorganic, and Physical Chemistry. 4th edition. Naucalpan de Juárez: Pearson Educación.
Overton, Tina, Stuart Johnson, and Jon Scott. 2015. Study and Communication Skills for the Chemical Sciences. Second edition. Oxford: Oxford University Press.