Robrrts, S. (2004). Managing information services. London: Facet.
Trích dẫn kiểu ChicagoRobrrts, Sue. Managing Information Services. London: Facet, 2004.
MLA引文Robrrts, Sue. Managing Information Services. London: Facet, 2004.
警告：這些引文格式不一定是100％准確.
APA引文