1. and Self-Direction in Adult Learning: Perspectives on Theory, Research and Practice. London: Routledge, 1991.
2. ?Adult Learning: An Overview.? In (ed.), International Encyclopedia of Education. New York: Pergamon Press, 1995.
3. and ?Linking the Individual Learner to the Context of Adult Learning.? In and (eds.), Handbook of Adult and Continuing Education. San Francisco: Jossey-Bass, 2000.
4. Self-Direction for Lifelong Learning: A Comprehensive Guide to Theory and Practice. San Francisco: Jossey-Bass, 1991.
5. and Associates. Power in Practice: Adult Education and the Struggle for Knowledge and Power in Society. San Francisco: Jossey-Bass, 2000.