Bortolotti, Lisa
Polity Press, 2008
Buku Teks SO
Losee, John
Oxford University Press, 1980
Buku Teks SO
Okasha, Samir, editor
Oxford University Press, 2016
Buku Teks SO
Whitehead, Alfred North, 1861-1947
Philosophical Library, 1948
Buku Teks
edited by Richard Boyd, Philip Gasper, and J. D. Trout
Bradford Book, 1997
Buku Teks SO