Edmonds, Paul
Macmillan, 1978
Buku Teks SO
edited by T. Satyanarayana, Bhavdish Narain Johri, Anil Prakash
Springer Science, 2012
eBooks
Reiss, Michael
University Press, 2000
Buku Teks SO
edited by Yigal Henis
John Wiley & Sons, 1987
Buku Teks SO
editor, Brian A. Whitton
Springer, 2012
eBooks