Deshpande, Pradeep B.
Instrument Society of America, 1981
Buku Teks
Bowers, James C., author
Prentice-Hall, 1971
Buku Teks
Olmsted, John M. H.
Appleton-Century-Crofts, 1968
Buku Teks
Champine, George A., author
North Holland, 1980
Buku Teks
North Holland, 1985
Buku Teks