Crawford, J. (1996). Evaluation of library and information services. Aslib.
Cita Chicago Style (17a ed.)Crawford, John. Evaluation of Library and Information Services. London: Aslib, 1996.
Cita MLA (9a ed.)Crawford, John. Evaluation of Library and Information Services. Aslib, 1996.
Precaución: Estas citas no son 100% exactas.