Harmon, Paul
John Wiley & Sons, 1990
Buku Teks
Prerau, David S., author
Addison-Wesley, 1990
Buku Teks
edited by Barry G. Silverman
Addison-Wesley, 1987
Buku Teks
Pigford, D.V., author
Boston Boyd & Fraser , 1990
Buku Teks
Harmon, Paul, author
John Wiley & Sons, 1985
Buku Teks