Listed below are selected reference works for social science research design, available online unless otherwise specified.
A research project can generate hundreds of citations from diverse sources. Learn about citation management software that can help you save and organize your citations, as well as automatically generate bibliographies. Penn Libraries supports the use of two tools: RefWorks and Zotero.
RefWorks - web-based tool for extracting citations from databases and creating bibliographies.
Zotero - free, open source tool for saving citations in your browser, from databases or web sources.