Thomas, George E., author
Princeton Architectureal Press, 2000
Buku Teks
Cleveland, William L., author
Westview Press , 2004
Buku Teks
Buckley, Page S.
Instrument Society of America, 1985
Buku Teks
Segui, william T
Thomson, 2007
Buku Teks
Ury, William L
Honghton Mifflin, 1985
Buku Teks