Woolfson, M.M.
Vikas Publishing House, 970
Buku Teks SO
volume editors, Thomas G. Davies and Marko Hyvönen
Springer, 2012
eBooks
Agarwal, B.K.
Springer-Verlag, 1991
Buku Teks SO
Jenkins, Ron
John Wiley & Sons, 1988
Buku Teks SO
Warren, B. E.
Buku Teks