Não informado. (1990). New Directions for Adult and Continuing Education. Jessey Bass Publishers.
Cita Chicago Style (17a ed.)Não informado. New Directions for Adult and Continuing Education. San Francisco, Calif: Jessey Bass Publishers, 1990.
Cita MLA (8a ed.)Não informado. New Directions for Adult and Continuing Education. Jessey Bass Publishers, 1990.
Precaución: Estas citas no son 100% exactas.