Great books of the western world : 35 Locke, Berkeley, Hume
Robert Maynard Hutchins, editor in chief
Encyclopaedia Britannica, Inc., 1952
 Buku Referensi
Social justice: from hume to walzer
edited by David Boucher and Paul Kelly
Routledge, 1998
 Buku Teks
Baillie, James
Hume on morality
Routledge, 2000
 Buku Teks
Mounce, H.O
Hume's narturalism
Routledge , 1999
 Buku Teks SO
Thomas, David A. Lloyd
Locke on Government
Routledge, 1995
 Buku Teks