1
Ware, Alan.
| B. Blackwell |
1987
2
Ippolito, Dennis S.
| Prentice-Hall |
1980
3
Lawson, Kay.
| Yale University Press |
1980
4
Ippolito, Dennis S.
| Prentice-Hall |
1980
5
Panebianco, Angelo.
| Cambridge University Press |
1988
8
Risjord, Norman K.,
| Harper & Row |
1969
9
Risjord, Norman K.,
| Harper & Row |
1969