Fitzsimmons, MS, GNP, ARNP, S., and L. L. Buettner, PhD, CTRS, LRT. “The Recreational therapist’s Role in Treating Delirium”. American Journal of Recreation Therapy, vol. 8, no. 1, Jan. 2009, pp. 33-47, doi:10.5055/ajrt.2009.0006.