Tight, M. (1996). Key concepts in adult education and training. Routledge.
Cita Chicago (17th ed.)Tight, Malcolm. Key Concepts in Adult Education and Training. London: Routledge, 1996.
Cita MLA (9th ed.)Tight, Malcolm. Key Concepts in Adult Education and Training. Routledge, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.