Não informado. (1989). Adult Learning. American Association for Adult & Continuing Education.
Style de citation Chicago (17e éd.)Não informado. Adult Learning. Washington: American Association for Adult & Continuing Education, 1989.
Style de citation MLA (8e éd.)Não informado. Adult Learning. American Association for Adult & Continuing Education, 1989.
Attention : ces citations peuvent ne pas être correctes à 100%.