2
3
Hayt, William Hart,
| McGraw-Hill |
1993
4
Hayt, William Hart,
| McGraw-Hill |
1986
5
6
Hayt, William Hart,
| McGraw-Hill |
1986
8
Hayt, William Hart,
| McGraw-Hill |
1986
9
Boylestad, Robert L.
| Merrill ; |
1994