ebrary, Inc, Nesbit, T., & Welton, M. (2013). Adult education and learning in precarious age: The Hamburg declaration revisited. Jossey-Bass.
Cita Chicago (17th ed.)ebrary, Inc, Tom Nesbit, i Michael Welton. Adult Education and Learning in Precarious Age: The Hamburg Declaration Revisited. San Francisco, Calif.: Jossey-Bass, 2013.
Cita MLA (9th ed.)ebrary, Inc, et al. Adult Education and Learning in Precarious Age: The Hamburg Declaration Revisited. Jossey-Bass, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.