National Institute of Adult Continuing Education (England and Wales). (1989). Adults learning. [National Institute of Adult Continuing Education].
Citação do estilo Chicago (17ª ed.)National Institute of Adult Continuing Education (England and Wales). Adults Learning. [Leicester]: [National Institute of Adult Continuing Education], 1989.
Citação MLA (9ª ed.)National Institute of Adult Continuing Education (England and Wales). Adults Learning. [National Institute of Adult Continuing Education], 1989.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.