Mohammad Hatta, 1902-1980
Alam pikiran yunani : terbitan khusus satu abad Bung Hatta
UI-Press, 2002
 Buku Teks
A companion to early modern philosophy : balckwell companions to philosophy
Mary Louise Gill; Pierre Pellegrin
BlackWell Publishing, 2005
 Buku Teks
Oxford studies in ancient philosophy; Vol. II
edited by Julia Annas
Clarendon Press, 1984
 Buku Teks
Oxford studies in ancient philosophy; Vol.III
edited by Julia Annas
Clarendon Press , 1985
 Buku Teks
Zeller, Eduard, 1814-1908
Outlines of the history of Greek philosophy
Meridian Books, 1960
 Buku Teks