Edminister, Joseph A., author
McGraw-Hill, 1997
Buku Teks
edited by Robert Scharff
McGraw-Hill, 1976
Buku Teks
Floyd, Thomas L., author
Prentice-Hall, 2003
Buku Teks
Smith, Ralph J., author
John Wiley & Sons, 1980
Buku Teks
Smith, Ralph J., author
John Wiley & Sons, 1987
Buku Teks