1. Investment Company Fact Book, 2011. Investment Company Institute. http://www.icifactbook.org/. Retrieved 2012-08-02.
2. Investment Company Fact Book, 2012. Tables 37-39, pp. 170-172
3. Investment Company Fact Book, 2012 (Chapter 2).
4. American Insurance Association. http://www.aiadc.org.
5. National Association of Insurance Commissioners (NAIC). http://www.naic.org.