(1926). Library Extension: A Study of Public Library Conditions and Needs : By the Committee on Library Extension of the American Library Association. American Library Association.
Chicago-Zitierstil (17. Ausg.)Library Extension: A Study of Public Library Conditions and Needs : By the Committee on Library Extension of the American Library Association. Chicago: American Library Association, 1926.
MLA-Zitierstil (8. Ausg.)Library Extension: A Study of Public Library Conditions and Needs : By the Committee on Library Extension of the American Library Association. American Library Association, 1926.
警告：这些引文格式不一定是100％准确.