6
Mundel, Marvin Everett,
| Prentice Hall |
1994
7
Mundel, Marvin Everett,
| Prentice Hall |
1994
8
Meyers, Fred E.
| Prentice Hall |
1992
9
Jenkins, David.
| Van Nostrand Reinhold |
1991
10
McGowan, Pat,
| Sage Publications |
1983