Singh, Pashupati Nath
Wiley Eastern, 1980
Buku Teks SO
Delhi : Publications Dividision
Majalah, Jurnal, Buletin
Mann, Prem S.
John Wiley & Sons, 1995
Buku Teks SO
Shankar, Ravi, 1920-2012
[publisher not identified], [date of publication no identified]
Buku Teks SO
Shankar, Ramamurti
Plenum Press, 2014
Buku Teks SO