edited by Phillip L. Williams, Robert C. James, and Stephen M. Roberts
John Wiley & Sons, 2000
Buku Teks SO
Arnold, part of the Hodder Headline group, 2018
Majalah, Jurnal, Buletin
Fowler, Bruce A
Academic Press, 2013
Buku Teks SO
Wiley-VCH, 2010
eBooks
edited by Andreas Luch
Springer, 2012
eBooks