Awad, Elias M., author
Benjamin Cumming, 1988
Buku Teks
Wilkinson, Joseph W., author
Prentice-Hall, 1987
Buku Teks
Ian Masser, Michael Blakemore,edited
Longman Scientific & Technical, 1994
Buku Referensi
Tan, Joseph, author
Jones and Bartlett Publishers,, 2010
Buku Teks
Bettinger, Pete, author
McGraw-Hill, 2004
Buku Teks