Não informado. (1990). New Directions for Adult and Continuing Education. Jessey Bass Publishers.
Style de citation Chicago (17e éd.)Não informado. New Directions for Adult and Continuing Education. San Francisco, Calif: Jessey Bass Publishers, 1990.
Style de citation MLA (8e éd.)Não informado. New Directions for Adult and Continuing Education. Jessey Bass Publishers, 1990.
Attention : ces citations peuvent ne pas être correctes à 100%.