APA (7e ed.) Bronvermelding

Baker, L. C. (1995). HMOs and fee-for-service health care expenditures: Evidence from Medicare. National Bureau of Economic Research.

Chicago (17e ed.) Bronvermelding

Baker, Laurence C. HMOs and Fee-for-service Health Care Expenditures: Evidence from Medicare. Cambridge: National Bureau of Economic Research, 1995.

MLA (9e ed.) Bronvermelding

Baker, Laurence C. HMOs and Fee-for-service Health Care Expenditures: Evidence from Medicare. National Bureau of Economic Research, 1995.