Locke, John
Routledge, 2000
Buku Referensi
Locke, John
Hackett Publishing Company, Inc., 1996
Buku Teks
Banerjee, Nikunja Vihari
George Allen and Unwin, 1958
Buku Teks
Locke, John
J.M. Dent & Sons, 1947
Buku Teks
Locke, John
Dolphin Books, 1961
Buku Teks SO