American Association for Adult and Continuing Education. (1989). Adult learning. American Association for Adult & Continuing Education.
芝加哥风格引文American Association for Adult and Continuing Education. Adult Learning. Washington, D.C.: American Association for Adult & Continuing Education, 1989.
MLA引文American Association for Adult and Continuing Education. Adult Learning. American Association for Adult & Continuing Education, 1989.
警告：这些引文格式不一定是100％准确.