Cita APA (7a ed.)
Whitlatch, J. B. (2000). Evaluating reference services: A practical guide. American Library Association.
Cita Chicago Style (17a ed.)
Whitlatch, Jo Bell. Evaluating Reference Services: A Practical Guide. Chicago: American Library Association, 2000.
Cita MLA (9a ed.)
Whitlatch, Jo Bell. Evaluating Reference Services: A Practical Guide. American Library Association, 2000.
Precaución: Estas citas no son 100% exactas.