edited by Paul Newbold and Stephen J. Leybourne
Elgar Reference Collection, 2003
Buku Teks SO
I Gusti Ngurah Agung
John Wiley & Sons, 2009
Buku Teks SO
Tsay, Ruey S., 1951-
Wiley, 2010
Buku Teks SO
edited by David F. Findley
Academic Press, 1981
Buku Teks SO
Enders, Walter
John Wiley & Sons, 1995
Buku Teks