Holton, Gerald, author
Princeton University Press, 1985
Buku Teks
Gabriel J. F., author
EGC , 1996
Buku Teks
ITS Surabaya, {s.a.}
Majalah, Jurnal, Buletin
Constantinescu, F., author
Pergamon Press, 1980
Buku Teks
Rosen, Sidney, author
Harper & Row , 1965
Buku Teks