Crowley, T., Martin, L. A., & Shaughnessy, T. (1969). Library response to urban change: A study of the Chicago Public Library. American Library Association.
Cita Chicago (17th ed.)Crowley, Terence, Lowell Arthur Martin, i Thomas Shaughnessy. Library Response to Urban Change: A Study of the Chicago Public Library. Chicago: American Library Association, 1969.
Cita MLA (9th ed.)Crowley, Terence, et al. Library Response to Urban Change: A Study of the Chicago Public Library. American Library Association, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.