Akeel Bilgrami, Prafulla C. Kar, editor
Routledge, 2011
Buku Teks SO
Abbott, Andrew
The University of Chicago Press, 2001
Buku Teks SO
Cowell, F.R.
Adam and Charles Black, 1952
Buku Teks SO
edited by Lloyd G. Stevenson and Robert P. Multhauf
The John Hopkins University Press , 1968
Buku Teks SO
Kosambi
Vikas Publishing House, 1975
Buku Teks SO