1. Lyle Yorks, Judy O’Neil, and Victoria J.Marsick, Eds., Action Learning: Successful Strategies for Individual, Team, and Organizational Development, Advances in Develop- ing Human Resources, 2 (San Francisco: Berrett-Koehler, 1999).
1. Lyle Yorks, Judy O’Neil, and Victoria J.Marsick, “Action Learning: Theoretical Bases and Varieties of Practice” in Action Learning: Successful Strategies for Individual, Team and Organizational Development, eds. Lyle Yorks, Judy O’Neil and Victoria J. Marsick, 3 (San Francisco: Berrett-Koehler, 1999).
2. We owe a debt of gratitude to Gareth Morgan for the idea of including a Theory Appendix in this book, as he did in his book Images of Organization (Thousand Oaks, CA: Sage Publications, 1997).
3. National Center on Education and the Economy, Tough Choices or Tough Times: The Report of the New Commission on the Skills of the American Workforce, xviii (San Francisco: Jossey-Bass, John Wiley & Sons, Inc., 2007).
4. Rainer Maria Rilke, Letter 4, Letters to a Young Poet, 1903, translated Stephen Mitchel, downloaded 10 February 2007 from http://www.sfgoth.com/~immanis/rilke/ letter4.html
1. Jay A. Conger and Beth B. Benjamin, Building Leaders: How Successful Compa- nies Develop the Next Generation (San Francisco: Jossey-Bass, 1999) and Joseph A. Raelin, Work-Based Learning: The New Frontier of Management Development (Upper Saddle, NJ: Prentice Hall, Addison-Wesley OD Series, 2000).