Readings in ethical theory
selected and edited by Wilfrid Sellars and John Hospers
Appleton-Century-Crofts, 1952
 Buku Teks
The Blackwell Guide to Ethical Theory
edited by Hugh LaFollette and Ingmar Persson
Wiley Blackwell, 2013
 Buku Teks
Pojman, Louis P.
Environmental ethics : readings on theory and application
Wadsworth and Cengage Learning, 2012
 Buku Teks
Foundations of healthcare ethics : theory to practice
Cambridge University Press, 2015
 Buku Teks
Tannsjo, Torbjorn
Understanding ethics: An Introduction to moral theory
Edinburgh University Press, 2010
 Buku Teks