Gambhir, R.S.
McGraw-Hill, 1980
Buku Teks
Hodgson, Peter Edward
Pergamon Press, 1980
Buku Teks
edited by K. Dietrich
World Scientific, 1985
Buku Teks
Halliday, David, 1916-2010
John Wiley & Sons, 1960
Buku Teks
Hodgson, Peter Edward
Clarendo Press, 1997
Buku Teks