Não informado. (1989). Adult Learning. American Association for Adult & Continuing Education.
Chicagoスタイル(17版)引用形式Não informado. Adult Learning. Washington: American Association for Adult & Continuing Education, 1989.
MLA(8版)引用形式Não informado. Adult Learning. American Association for Adult & Continuing Education, 1989.
警告: この引用は必ずしも正確ではありません.