Hallman, G. Victor, author
McGraw-Hill, 1987
Buku Teks
Penson, John B., author
Prentice-Hall, 1982
Buku Teks
Hallman, G. Victor, author
McGraw-Hill , 1983
Buku Teks
Amling, Frederick, author
Irwin, 1986
Buku Teks
Greene, Mark R.
South-Western Publishing CO., 1983
Buku Teks