"Appendix E Jeff McMahan on Impersonal Value." Oxford Scholarship Online. 2012-01-19. Oxford University Press. Date of access 25 May. 2013, <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199844463.001.0001/acprof-9780199844463-appendix-5>.
(2012-01-19). Appendix E Jeff McMahan on Impersonal Value. Oxford Scholarship Online. Retrieved 25 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199844463.001.0001/acprof-9780199844463-appendix-5.
"Appendix E Jeff McMahan on Impersonal Value." Oxford Scholarship Online. 25 May. 2013. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199844463.001.0001/acprof-9780199844463-appendix-5.
Appendix E Jeff McMahan on Impersonal Value. In: Kraut R. Against Absolute Goodness. Oxford University Press; 2012. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199844463.001.0001/acprof-9780199844463-appendix-5. Accessed May 25, 2013.