Allcock, Harry R., author
Englewood Cliffs, 1981
Buku Teks
Allcock, Harry R., author
Prentice-Hall, 1992
Buku Teks
John Wiley & Sons, 1991
Buku Teks
Allcock, Harry R., author
Pearson-Prentice Hall, 2003
Buku Teks
Stevens, Malcolm P., author
Oxford Univertity Press, 2009
Buku Teks