There is a wealth of research resources out there via the Web, your local libraries, and your own capability to conduct primary research. Penn State's library system can be a great additional asset to your research options. If you want to check it out, here are some links:

General "portal" to the library for World Campus students:

http://www.libraries.psu.edu/instruction/world/home.html

To access Penn State's excellent data bases, go to:

http://www.lias.psu.edu/alall.html

To peruse research and data bases by topic, click on:

http://www.libraries.psu.edu/instruction/subject/index.htm

For a great source of statistics on hundreds of issues, both within the US and in comparison with other countries, go to:

http://www.nationmaster.com

An excellent resource for helping you with citing your research is the Slate Citation machine, which basically formats the bibliography for you--all you will have to do is copy and paste it into your document! Just click on:

http://citationmachine.net/