Não informado. (1989). Adult Learning. American Association for Adult & Continuing Education.
Cita Chicago Style (17a ed.)Não informado. Adult Learning. Washington: American Association for Adult & Continuing Education, 1989.
Cita MLA (8a ed.)Não informado. Adult Learning. American Association for Adult & Continuing Education, 1989.
Precaución: Estas citas no son 100% exactas.