"Appendix 4 The Conservative Performance in General Elections." Oxford Scholarship Online. 2011-10-03. Oxford University Press. Date of access 25 May. 2013, <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780198202387.001.0001/acprof-9780198202387-appendix-4>.
(2011-10-03). Appendix 4 The Conservative Performance in General Elections. Oxford Scholarship Online. Retrieved 25 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780198202387.001.0001/acprof-9780198202387-appendix-4.
"Appendix 4 The Conservative Performance in General Elections." Oxford Scholarship Online. 25 May. 2013. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780198202387.001.0001/acprof-9780198202387-appendix-4.
Appendix 4 The Conservative Performance in General Elections. In: Seldon A, Ball S. Conservative Century: The Conservative Party since 1900. Oxford University Press; 1994. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780198202387.001.0001/acprof-9780198202387-appendix-4. Accessed May 25, 2013.