Cita APA (7th ed.)

National Institute of Adult Continuing Education (England and Wales). (1989). Adults learning. [National Institute of Adult Continuing Education].

Cita Chicago (17th ed.)

National Institute of Adult Continuing Education (England and Wales). Adults Learning. [Leicester]: [National Institute of Adult Continuing Education], 1989.

Cita MLA (9th ed.)

National Institute of Adult Continuing Education (England and Wales). Adults Learning. [National Institute of Adult Continuing Education], 1989.