Wilson, Donald A., 1941-, author
CRC Press, 2017
Buku Teks
Brown, Curtis M.
John Wiley & Sons, 1981
Buku Teks
Duffy, Dean G., author
Chapman & Hall/CRC , 2008
Buku Teks
Foreign languages press, 1962
Buku Teks
Jagota, S.P.
Martinus Nijhoff , 1985
Buku Teks