Não informado. (1950). Adult Education. American Association for Adult & Continuing Education.
Style de citation Chicago (17e éd.)Não informado. Adult Education. Chapel Hill, NC: American Association for Adult & Continuing Education, 1950.
Style de citation MLA (8e éd.)Não informado. Adult Education. American Association for Adult & Continuing Education, 1950.
Attention : ces citations peuvent ne pas être correctes à 100%.