English, L. M. (2000) . Spiritual Dimensions of Informal Learning. In Addressing the Spiritual Dimensions of Adult Learning: What Educators Can Do. New Directions for Adult and Continuing Education , (5) , 29-38. San Francisco: Jossey-Bass.
English, L. M. & Mayo, P. (2012). Adult Education and the State: Gramsci, the historical materialist tradition and relevant others. European Journal for Research on the Education and Learning of Adults. 3(1). 11-27.
Fenwick, T. (2008) . Workplace Learning: Emerging Trends and New Perspectives. New Directions For Adult and Continuing Education, no. 119. DOI: 10.1002/ace.302
Hamilton, B. A., & Scandura, T. A. (2003). E-Mentoring: Implications for Organizational Learning and Development in a Wired World. Organizational Dynamics, 31(4), 388-402
Kim, K. & Bonk, C. J. (2006). The Future of Online Teaching and Learning in Higher Education: The Survey Says… . Educause Quarterly, No. 4.
Mezirow, J. (1990) . Conclusion: Toward Transformative Learning and Emancipatory Education . In Fostering Critical Reflection in Adulthood, by J. Mezirow and Associates, pp. 354-376. San Francisco: Jossey-Bass.
Newman, M. , (2010). Calling Transformative Learning Into Question: Some Mutinous Thoughts. Adult Education Quarterly 2012. 62 (36). DOI: 10.1177/0741713610392768