Clipman, J.M. (2005). Development of the Museum Affect Scale and Visit Inspiration Checklist. Paper presented at the annual meeting of the Visitor Studies Association, Philadelphia. Available: http://www.visitorstudiesarchives.org [accessed February 2010].

Falk, J.H., Reinhard, E.M., Vernon, C.L., Bronnenkant, K., Deans, N.L., and Heimlich, J.E. (2007). Why Zoos and Aquariums Matter: Assessing the Impact of a Visit. Silver Spring, MD: Association of Zoos and Aquariums.

Friedman, A. (Ed.). (2008). Framework for Evaluating Impacts of Informal Science Education Projects. Available: http://insci.org/resources/Eval_Framework.pdf [accessed February 2010].

Garibay, C. (2005, July). Visitor Studies and Underrepresented Audiences. Paper presented at the annual meeting of the Visitor Studies Association, Philadelphia.

National Research Council. (2009). Introduction. Chapter 3 in Committee on Learning Science in Informal Environments, Learning Science in Informal Environments: People, Places, and Pursuits. P. Bell, B. Lewenstein, A.W. Shouse, and M.A. Feder (Eds.). Center for Education, Division of Behavioral and Social Sciences and Education. Washington, DC: The National Academies Press.

Center for the Advancement of Informal Science Education (CAISE): http://caise.insci.org/

Informal Science: http://www.informalscience.org/

Institute for Learning Innovation: http://www.ilinet.org

Visitor Studies Association: http://www.visitorstudies.org