1. (1980). Cognitive psychology and its implications. San Francisco: Freeman.
2. (1969). Social interaction. London: Methuen.
3. (1968). Toward a sociology of telephones and telephoners. In (ed.), Sociology and everyday life (pp. 59–75). Englewood Cliffs, NJ: Prentice-Hall.
4. (1981). The design and understanding of survey questions. Aldershot: Gower.