Pickard, A. J. (2013). Research methods in information. London: Facet.
Trích dẫn kiểu ChicagoPickard, Alison Jane. Research Methods in Information. London: Facet, 2013.
MLA引文Pickard, Alison Jane. Research Methods in Information. London: Facet, 2013.
警告：這些引文格式不一定是100％准確.