APA
Gruber J., Newhouse Joseph P, Adams Kathleen & National Bureau Of Economic Research. (1997). Physician fee policy and medicaid program costs. Cambridge, MA: NBER.
Chicago
Gruber Jonathan, Newhouse Joseph P, Adams Kathleen and National Bureau Of Economic Research. 1997. Physician fee policy and medicaid program costs. Cambridge, MA: NBER.
Harvard
Gruber J., Newhouse Joseph P, Adams Kathleen and National Bureau Of Economic Research. (1997). Physician fee policy and medicaid program costs. Cambridge, MA: NBER.
MLA
Gruber Jonathan, Newhouse Joseph P, Adams Kathleen and National Bureau Of Economic Research. Physician fee policy and medicaid program costs. Cambridge, MA: NBER. 1997.