edited by Barry G. Silverman
Addison-Wesley, 1987
Buku Teks
Pigford, D.V., author
Boston Boyd & Fraser , 1990
Buku Teks
Harmon, Paul
John Wiley & Sons, 1990
Buku Teks
Orilia, Lawrence, author
John Wiley & Sons, 1972
Buku Teks
Kroenke, David M., 1946-, author
Mitchell Publishing, 1987
Buku Teks