Smith, Ralph J., author
John Wiley & Sons, 1980
Buku Teks
Smith, Ralph J., author
John Wiley & Sons, 1987
Buku Teks
Pederson, Donald O., author
McGraw-Hill, 1966
Buku Teks
Carr, Joseph J., author
McGraw-Hill, 1993
Buku Teks
Uffenbeck, John E., author
Prentice-Hall, 1982
Buku Teks