[15] Mary Laschober et James Vertrees (1995), « Hospital Financing in the United States », chapitre huit de Hospital Funding in Seven Countries, Office of Technology Assessment: U.S. Congress, p. 136.
[15] Laschober, Mary, and James Vertrees, “Hospital Financing in the United States,” Chapter Eight in Hospital Funding in Seven Countries, Office of Technology Assessment; U.S. Congress, 1995, p. 136.