translated with notes by C.J.F. Williams
Clarendon Press, 1982
Buku Teks
Harvard University Press, 1999
Buku Teks
ANton, Peter John
Routledge and Kegan Paul, 1954
Buku Teks
Adler, Mortimer Jerome, 1902-2001, author
Macmillan, 1978
Buku Teks
Harvard University Press, 1947
Buku Teks