Rossi, Peter H., author
Sage, 1993
Buku Teks
Pahl, G. (Gerhard), author
Springer, 2007
Buku Teks
Mowle, Frederic J., author
Addison-Wesley, 1976
Buku Teks
Freedman, M. David, author
Prentice-Hall, 1983
Buku Teks
Campbell, Michael J., author
John Wiley & Sons, 1999
Buku Teks