Tiles, J.E.
Moral measures: an introduction to ethics west and east
Routledge, 2000
 Buku Teks
Franz Magnis-Suseno
Kuasa dan moral
Gramedia Pustaka Utama, 2000
 Buku Teks
Smith, Michael
Ethics and the a priority: selected essays on moral psychology and meta-ethics
Cambridge University Press , 2004
 Buku Teks
Albert, Ethel M.
Great traditions in ethics: an introduction
American Book Company, 1953
 Buku Teks
Readings in ethical theory
selected and edited by Wilfrid Sellars and John Hospers
Appleton-Century-Crofts, 1952
 Buku Teks