(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.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)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.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)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.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.