1. Center to Champion Nursing in America. (2011). Consumer access and barriers to care: Physician-nurse practitioner restrictive collaboration requirements by state . Retrieved from http://championnursing.org/sites/default/files/aprnmap.6.11.branded.pdf
2. Nursing for the Future, from the Past: Two Reports on Nursing from the Institute of Medicine
3. Institute of Medicine. (1983). Nursing and nursing education: Public policies and private actions . Retrieved from the National Academies Press website: http://www.nap.edu/openbook.php?isbn=0309033462
4. Institute of Medicine. (2011). The future of nursing: Leading change advancing health . Retrieved from the National Academies Press website: http://www.nap.edu/catalog.php?record_id=12956