Não informado. (1991). Adult Basic Education. Commission on Adult Basic Education.
Style de citation Chicago (17e éd.)Não informado. Adult Basic Education. Atlanta, Ga: Commission on Adult Basic Education, 1991.
Style de citation MLA (8e éd.)Não informado. Adult Basic Education. Commission on Adult Basic Education, 1991.
Attention : ces citations peuvent ne pas être correctes à 100%.