National Institute of Adult Continuing Education (England and Wales). (1989). Adults learning. [National Institute of Adult Continuing Education].
Citazione stile Chigago Style (17a edizione)National Institute of Adult Continuing Education (England and Wales). Adults Learning. [Leicester]: [National Institute of Adult Continuing Education], 1989.
Citatione MLA (9a ed.)National Institute of Adult Continuing Education (England and Wales). Adults Learning. [National Institute of Adult Continuing Education], 1989.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.