N.R. · Norman L. · Norman R. · R. L
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| American Public Opinion: Its Origins, Content, and Impact | 978-0-02-334011-6 (0-02-334011-8) | 1990 | Robert S. Erikson · Kent L. Tedin |
| Public opinion and public policy: Models of political linkage | 978-0-87581-259-5 (0-87581-259-7) | 1981 | |