Knox, A. B. (1986). Helping adults learn. Jossey-Bass.
Cita Chicago (17th ed.)Knox, Alan B. Helping Adults Learn. San Francisco: Jossey-Bass, 1986.
Cita MLA (9th ed.)Knox, Alan B. Helping Adults Learn. Jossey-Bass, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.