Goldman, Alvin I.
MIT Press, 1993
Buku Teks
Losee, John
Oxford University Press, 1980
Buku Teks
edited by F.S.C. Northrop
Yale University Press, 1949
Buku Teks
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